Tech Icon Glossary

LSZH (Low Smoke Zero Halogen) denotes cable jackets made from materials that emit minimal smoke and no halogen gases when exposed to high heat or fire. LSZH cables are designed for improved safety in enclosed spaces, reducing toxic emissions and aiding visibility during evacuation or emergency situations.

DPL Labs refers to an independent testing organisation that certifies HDMI cables and components for compliance and performance. Products bearing DPL certification have undergone rigorous signal integrity and bandwidth testing to verify reliable operation under the demands of high-speed digital video transmission.

2 Core denotes a cable construction containing two insulated conductors within a single outer jacket. It is commonly used for low-voltage power or speaker connections, providing a simple and reliable means of transmitting electrical signals between two points in audio, control, or power applications.

4 Core denotes a cable construction containing four insulated conductors within a single outer jacket. It is commonly used for speaker, control, or low-voltage power applications, allowing bi-wiring or multi-channel connections while maintaining organised and reliable signal transmission within a single cable assembly.

Gel Filled denotes a cable construction that uses a water-blocking gel within the jacket to prevent moisture ingress. Commonly used in outdoor or direct-burial applications, gel-filled cables protect conductors from corrosion and environmental damage, ensuring long-term reliability in exposed or high-humidity installation environments.

VW-1 denotes a vertical wire flame test rating defined by Underwriters Laboratories (UL). Cables meeting the VW-1 standard must self-extinguish after exposure to flame without propagating fire. This classification indicates a high level of flame resistance suitable for use in safety-critical or enclosed installation environments.

Wooden Reel denotes a heavy-duty cable packaging format used for longer or heavier cable lengths. The solid wooden construction provides strength and stability during transport and handling, allowing smooth unwinding of cable while preventing tangling or damage in large-scale installation and industrial environments.

UV-Stabilized denotes a material that has been treated with additives to resist damage from ultraviolet (UV) light exposure. This treatment helps preserve the cable’s flexibility, colour, and mechanical strength over time, making it suitable for outdoor installations or environments with continuous sunlight exposure.

Modular Patch Panel denotes a configurable connection interface that allows multiple keystone modules or connectors to be mounted in a single housing. This design enables flexibility for combining data, audio, or video connections within one panel, simplifying installation, maintenance and future system changes in structured cabling and AV network installations.

5V Power Injection denotes the process of supplying a 5-volt DC power source into a signal path, typically through an adapter or injector. It is used to power active components such as HDMI boosters, extenders, or optical transceivers that require external power for correct operation.

USB-A Power Plug is a standard Type-A USB connector used to deliver DC power to electronic devices. It provides a convenient and widely compatible interface for powering accessories, modules, or low-voltage equipment. In this application, the connector is used solely for power delivery rather than data transmission.

60W up to 3 m denotes a USB-C cable capable of delivering up to 60 watts of power over lengths up to 3 metres. It supports Standard Power Range (SPR) operation within the USB Power Delivery specification for charging and powering compatible electronic devices.

240W up to 2 m denotes a USB-C cable capable of delivering up to 240 watts of power over lengths up to 2 metres. It supports Extended Power Range (EPR) operation defined in the USB Power Delivery specification for charging and powering high-demand devices.

1U refers to a standard unit of height used in equipment racks, equal to 1.75 inches (44.45 mm). It defines the vertical space required to mount a device or accessory such as a patch panel, switch, or amplifier within a 19-inch rack system.

PE Jacket denotes a cable sheath made from polyethylene, a durable and moisture-resistant material commonly used for outdoor and direct-burial applications. It provides strong protection against environmental factors such as UV exposure and water ingress, ensuring long-term reliability in external network and AV cabling installations.

Reel Box denotes Kordz packaging that houses a cable reel inside a durable cardboard box. This design allows the cable to be pulled smoothly from the box while keeping it protected, tangle-free and easy to transport, store, and handle during installation.

24 Port denotes a connection panel or network switch featuring twenty-four individual ports within a single unit. This configuration provides high connection density for structured cabling, allowing efficient organisation and management of multiple network, audio, or video connections in rack-mounted or cabinet-based installations.

USB PD SPR 60W denotes the Standard Power Range (SPR) mode of USB Power Delivery, supporting up to 60 watts of power at 20 volts. It allows most USB-C devices such as smartphones, tablets, and lightweight laptops to charge and operate using a single connection for both power and data.

USB 3.2 Gen 2 denotes a high-speed USB standard supporting data transfer rates up to 10 Gbps. It provides double the bandwidth of USB 3.2 Gen 1 while maintaining backward compatibility with earlier USB versions. The standard enables faster data transfer for external drives, docking stations, and other performance-critical peripherals.

UL 94 V-1 denotes a flammability rating defined by Underwriters Laboratories (UL) for plastic materials. A material rated V-1 must self-extinguish within 30 seconds after flame removal and may produce limited flaming drips. This rating indicates a good level of flame resistance suitable for general-purpose cable insulation and components.

HBR3 (High Bit Rate 3) denotes the highest data rate defined by the DisplayPort 1.4 standard, supporting up to 8.1 Gbps per lane or 32.4 Gbps total bandwidth. This allows the transmission of high-resolution video formats, including 8K at 60 Hz and HDR content, over compatible DisplayPort connections.

20 Gbps denotes a data transmission rate of twenty billion bits per second. It is commonly associated with USB4 Gen 2 and Thunderbolt interfaces, enabling high-speed data, video, and power delivery through a single connection for demanding computing, storage, and professional AV applications.

USB PD EPR 240W denotes the Extended Power Range (EPR) mode of USB Power Delivery, supporting up to 240 watts of power at 48 volts. It enables high-power devices such as laptops, monitors and docking stations to operate from a single USB-C connection, combining efficient power delivery with data and video transmission.

USB4 Gen 2 denotes a USB standard supporting data transfer speeds up to 20 Gbps using the USB-C connector. It unifies data, video, and power delivery into a single interface while maintaining backward compatibility with USB 3.x and Thunderbolt 3. USB4 Gen 2 enables efficient high-speed connectivity across modern devices and peripherals.

UV Resistance denotes a material’s ability to withstand degradation caused by prolonged exposure to ultraviolet (UV) light. Cables with UV-resistant jackets maintain their structural integrity and performance when installed outdoors or in sunlight-exposed areas, preventing cracking, fading, or brittleness over time.

10 Gbps (gigabits per second) denotes a data transmission rate of ten billion bits per second. It is a common benchmark for high-speed digital interfaces including Ethernet, HDMI, and fibre-optic systems. The 10 Gbps icon denotes products designed to support data throughput suitable for 10 Gigabit networking and comparable high-bandwidth signal transmission.

1 Gbps (gigabit per second) denotes a data transmission rate of one billion bits per second. It is the standard speed for Gigabit Ethernet networks and is also used across various digital communication systems. The 1 Gbps icon denotes products designed for reliable operation within Gigabit-speed data transmission applications.

CPR-Eca denotes a fire performance classification under the EU Construction Products Regulation (CPR) for cables used in buildings. An Eca rating indicates basic flame retardance suitable for low-risk environments, ensuring the cable limits flame spread and contributes to overall safety in general installation applications.

16AWG refers to a conductor size defined by the American Wire Gauge (AWG) standard. It has a diameter of approximately 1.29 mm and is commonly used for speaker and signal cables. 16AWG conductors offer good flexibility and are suitable for medium-length audio and AV cable runs.

14AWG refers to a conductor size defined by the American Wire Gauge (AWG) standard. It has a diameter of approximately 1.63 mm and is commonly used for speaker and low-voltage power cables. 14AWG conductors provide a balance between flexibility and current capacity for general AV installations.

12AWG refers to a conductor size defined by the American Wire Gauge (AWG) standard. It has a diameter of approximately 2.05 mm and is commonly used for speaker and power cables. 12AWG conductors offer low resistance, supporting longer runs and higher current capacity in audio and AV installations.

BeltPak denotes Kordz’s patent-pending paper packaging format designed for shorter cable lengths. It provides a lightweight, easy-to-open alternative to traditional plastic wraps or boxes, improving efficiency during installation. The durable paper design reduces waste and supports more sustainable cable distribution and handling on site.

24AWG refers to a conductor size defined by the American Wire Gauge (AWG) standard. It has a diameter of approximately 0.51 mm and is widely used for Ethernet, data, and control cables. 24AWG conductors offer a balance of flexibility, signal integrity, and ease of termination.

3 Pin denotes a connector type featuring three electrical contact points, commonly used for balanced audio and control signals. Typical examples include XLR and DIN connectors. The three-pin configuration allows separate paths for positive, negative, and ground connections, ensuring reliable and noise-resistant signal transmission.

XLR denotes a type of electrical connector commonly used for professional audio, video, and lighting applications. Featuring a circular design with three or more pins, XLR connectors provide secure locking and balanced signal transmission, ensuring reliable connections for microphones, mixers, amplifiers, and other audio equipment.

Balanced audio refers to a method of transmitting analogue audio signals using three conductors: positive, negative and ground. The positive and negative signals carry identical audio but in opposite polarity, which allows external noise to be cancelled when received. This results in cleaner sound and longer cable runs with minimal interference.

22AWG refers to a conductor size defined by the American Wire Gauge (AWG) standard. It has a diameter of approximately 0.64 mm and is commonly used for data, control, and signal applications. 22AWG conductors provide flexibility and adequate current capacity for shorter cable runs.

OFC 99.99% denotes oxygen-free copper conductors with a minimum purity level of 99.99 percent. The reduced oxygen content improves electrical conductivity and resistance to oxidation, providing consistent signal performance and durability. This grade of copper is commonly used in high-quality audio, video, and data transmission cables.

ACC (Active Copper Cable) is a cable design that uses active electronics to boost or equalise the signal within copper conductors. This technology extends the achievable transmission distance for high-bandwidth signals such as HDMI or USB, maintaining performance and signal integrity beyond the limits of passive copper cables.

Passive denotes a cable or device that operates without external power or active electronic components. Signal transmission relies solely on the physical properties of the conductors and connectors. Passive designs are valued for their simplicity, reliability, and durability in audio, video, and data cabling applications.

Snap Proof denotes a reinforced connector latch design engineered to resist breakage during handling, installation, or frequent patching. The strengthened latch construction provides long-term durability and secure connections, reducing downtime and replacement costs in environments where network cables are regularly connected and disconnected.

F/UTP (Foiled Unshielded Twisted Pair) refers to a network cable construction featuring an overall foil shield surrounding unshielded twisted pairs. The foil layer reduces external electromagnetic interference (EMI) while maintaining flexibility, making F/UTP cables suitable for environments with moderate electrical noise or higher performance network requirements.

Cat6A up to 50 m denotes Kordz SlimCat network cables designed to achieve full Category 6A performance over lengths up to 50 metres. With a compact 28AWG construction, SlimCat Cat6A cables provide 10 Gbps capability while maintaining flexibility, ease of installation, and space efficiency in high-density environments.

RJ45 denotes an eight-pin modular connector commonly used for Ethernet and network cabling. It terminates twisted-pair cables such as Cat5e, Cat6, and Cat6A, supporting data transmission for network, control, and AV applications. RJ45 connectors are the standard interface for structured cabling in residential and commercial installations.

U/UTP (Unshielded Twisted Pair) refers to a type of network cable construction where individual wire pairs are twisted to reduce electromagnetic interference without any additional shielding. Commonly used for Ethernet installations, U/UTP cables provide reliable data transmission and flexibility for both residential and commercial network applications.

SlimCat denotes a compact, high-performance network cable design developed by Kordz, available in both Cat6 and Cat6A versions. With the tagline “All the power, half the size,” it delivers full standards compliance in a slimmer, more flexible form factor, simplifying installation and management without compromising signal integrity or durability.

Cat6 up to 50 m denotes Kordz SlimCat network cables engineered to deliver full Category 6 performance over lengths up to 50 metres. Using 28AWG conductors, SlimCat cables provide high bandwidth in a compact form, offering reliable Gigabit Ethernet transmission with easier handling and space-saving installation.

28AWG refers to a conductor size defined by the American Wire Gauge (AWG) standard. It has a diameter of approximately 0.32 mm and is used in Kordz SlimCat cables. 28AWG conductors provide excellent flexibility and space efficiency for high-density network installations and short cable runs.

OFC (Oxygen-Free Copper) denotes a high-purity copper conductor refined to reduce oxygen and other impurities. This improves conductivity and resistance to corrosion, providing lower signal loss and enhanced durability. OFC is commonly used in audio, speaker and data cables to ensure consistent signal performance over time.

Up to 7.1ch Audio denotes support for multichannel digital audio with up to eight discrete channels—seven full-range speakers and one low-frequency effects (subwoofer) channel. This specification enables immersive surround sound reproduction in home cinema and professional AV systems using formats such as Dolby Digital, DTS, and LPCM.

Dual Shielded denotes a cable construction that combines two layers of shielding—typically aluminium foil and braided wire—to protect against electromagnetic (EMI) and radio frequency interference (RFI). This design enhances signal integrity and noise rejection, making it ideal for high-performance audio, video, and data transmission applications.

55 Ohm denotes the characteristic impedance of a coaxial or RF cable designed for efficient signal transmission. This impedance value balances signal integrity and power handling, making 55 Ohm cables suitable for specific video, broadcast, or communication applications where impedance matching is required.

75 Ohm denotes the characteristic impedance of coaxial cable commonly used for video, RF, and digital audio transmission. This impedance provides optimal signal integrity and minimal loss over distance, making 75 Ohm cables standard for SDI, composite, component, and S/PDIF applications.

RCA denotes a type of analogue connector used for transmitting audio and video signals. Named after the Radio Corporation of America, RCA connectors typically feature colour-coded plugs and sockets. They remain widely used in consumer and professional AV equipment for stereo audio and composite or component video connections.

CPR-Dca denotes a fire performance classification under the EU Construction Products Regulation (CPR) for cables installed in buildings. A Dca rating indicates limited flame spread and heat release, suitable for general installation environments where moderate fire resistance and low smoke production are required to meet European safety standards.

PoE++ denotes Power over Ethernet technology defined in the IEEE 802.3bt standard, capable of delivering up to 90 watts of power per port. It enables high-power devices such as PTZ cameras, LED lighting, and network switches to receive both data and power over a single Ethernet cable, simplifying installation.

Cat 6A refers to Category 6A (Augmented Category 6) twisted-pair network cabling defined by the ANSI/TIA-568 standard. It supports 10 Gbps data transmission over distances up to 100 metres. Cat 6A cables offer improved crosstalk performance and bandwidth, making them ideal for high-speed Ethernet and AV network installations.

Cat 6 refers to Category 6 twisted-pair network cabling defined by the ANSI/TIA-568 standard. It supports data transmission up to 1 Gbps over 100 metres and 10 Gbps over shorter distances. Cat 6 cables are widely used for Ethernet, control, and AV network applications requiring high-bandwidth performance.

Shielded denotes a cable design that includes conductive shielding around the signal conductors to reduce electromagnetic interference (EMI) and radio frequency interference (RFI). Shielding improves signal integrity, particularly in electrically noisy environments, and is commonly used in network, audio, and video cabling installations.

UL 94 V-0 denotes a flammability rating defined by Underwriters Laboratories (UL) for plastic materials. A material rated V-0 must self-extinguish within 10 seconds after flame removal and produce no flaming drips. This classification indicates excellent flame resistance, making it suitable for safe use in cable jackets and electronic components.

Unshielded denotes a cable construction without conductive shielding around the insulated conductors. It relies on the twisting of wire pairs to minimise electromagnetic interference (EMI). Unshielded cables are lighter, more flexible, and commonly used in environments with minimal electrical noise, such as standard Ethernet and AV installations.

RJ45 denotes an eight-pin modular connector commonly used for Ethernet and network cabling. It terminates twisted-pair cables such as Cat5e, Cat6, and Cat6A, supporting data transmission for network, control, and AV applications. RJ45 connectors are the standard interface for structured cabling in residential and commercial installations.

Cat 6A refers to Category 6A (Augmented Category 6) twisted-pair network cabling defined by the ANSI/TIA-568 standard. It supports 10 Gbps data transmission over distances up to 100 metres. Cat 6A cables offer improved crosstalk performance and bandwidth, making them ideal for high-speed Ethernet and AV network installations.

Cat 6 refers to Category 6 twisted-pair network cabling defined by the ANSI/TIA-568 standard. It supports data transmission up to 1 Gbps over 100 metres and 10 Gbps over shorter distances. Cat 6 cables are widely used for Ethernet, control, and AV network applications requiring high-bandwidth performance.

PoE+ denotes Power over Ethernet Plus, defined in the IEEE 802.3at standard. It builds on the original PoE specification, increasing available power to 30 watts per port while maintaining data and power delivery over the same cable. PoE+ supports higher-demand devices such as PTZ cameras, touch panels, and network switches.

8K 30 Hz 4:2:0 denotes a cable capable of transmitting 8K Ultra HD video at up to 30 frames per second using 4:2:0 chroma subsampling. This format reduces colour data to lower bandwidth requirements while maintaining full brightness information, allowing 8K transmission within the limits of earlier HDMI 2.1 bandwidth implementations.

4K up to 2.4 m indicates that the HDMI cable is capable of transmitting 4K Ultra HD video over lengths up to 2.4 metres. This icon is typically used to show the maximum recommended cable length for maintaining full 4K signal performance within the HDMI 2.0 specification.

LSZH (Low Smoke Zero Halogen) denotes cable jackets made from materials that emit minimal smoke and no halogen gases when exposed to high heat or fire. LSZH cables are designed for improved safety in enclosed spaces, reducing toxic emissions and aiding visibility during evacuation or emergency situations.

CM Fire Rated denotes a cable classification defined by the UL444 Communications Cables standard. UL CM (Communications Multipurpose) rated cables are designed to resist flame propagation in vertical installations as well as being suitable for fixed installation in a general purpose built environment as required by the US National Electric Code, providing a basic level of safety suitable for general-purpose in-wall or open-air environments.

CMG Fire Rated denotes a cable classification defined by the UL444 Communications Cables standard. CMG (Communications General Purpose) rated cables are engineered to limit flame spread without producing excessive smoke as well as other factors that, making them suitable for general-purpose horizontal and vertical installations in commercial and residential buildings as required by the US National Electric Code. CM and CMG differ only in the UL1685 vertical flame test requirement – UL CM tests for single wire, whereas UL CMG tests for a bundle of cables.

The Lifetime Warranty icon indicates that the product is covered for defects in materials and workmanship for its usable lifetime when installed and used as intended. It applies to products purchased through authorised Kordz channels and provides repair or replacement in the event of failure under normal operating conditions.

ALLM (Auto Low Latency Mode) is a feature introduced with HDMI 2.1 that allows a source device to automatically switch a display into its lowest latency mode. This helps minimise input delay during interactive content such as gaming, while allowing normal picture processing to resume automatically for video playback or non-interactive use.

QFT (Quick Frame Transport) is a feature defined in the HDMI 2.1 specification that reduces latency by transmitting each video frame more rapidly across the HDMI link. When available bandwidth exceeds the content’s minimum requirement, QFT shortens delivery time per frame, lowering display lag and improving responsiveness in interactive or real-time applications.

QMS (Quick Media Switching) is a feature introduced with HDMI 2.1 that eliminates the brief blackout or blank screen that can occur when switching between video modes with different frame rates. It allows seamless transitions between content sources without interrupting the viewing experience.

VRR (Variable Refresh Rate) is a feature defined in the HDMI 2.1 specification that synchronises a display’s refresh rate with the output of a source device. This dynamic adjustment reduces or eliminates lag, stutter, and screen tearing, providing smoother motion and improved visual performance during gameplay.

FEC (Forward Error Correction) is a data transmission protocol that adds redundant information to a signal, enabling the receiver to detect and correct errors without retransmission. Used in DisplayPort 1.4 and other high-speed interfaces, FEC improves signal reliability and integrity over longer cable lengths or in electrically noisy environments.

DSC 1.2 (Display Stream Compression version 1.2) is a visually lossless video compression standard developed by VESA. It achieves approximately 3:1 compression, allowing higher resolutions and frame rates to be transmitted through HDMI and DisplayPort interfaces. HDMI 2.1 is the first HDMI specification to support DSC, enabling efficient transport of high-bandwidth video signals.

32.4 Gbps (gigabits per second) denotes the maximum data rate supported by the DisplayPort 1.4 standard. This bandwidth enables high-resolution and high-refresh-rate output, including 8K at 60 Hz and 4K at 120 Hz. It is commonly used in widescreen and ultra-wide computer monitors requiring high-performance video and data throughput.

8K 60 Hz DSC denotes a cable capable of transmitting 8K Ultra HD video at up to 60 frames per second using Display Stream Compression (DSC). Introduced with the HDMI 2.1 specification, DSC enables the delivery of high-resolution, high-frame-rate video within available bandwidth by compressing data without visible loss of quality.

4K 120 Hz DSC denotes a cable capable of transmitting 4K Ultra HD video at up to 120 frames per second using Display Stream Compression (DSC). Introduced with the HDMI 2.1 specification, DSC enables higher frame rates and colour depth within existing bandwidth limits for high-performance video transmission.

The 3 kg Retention icon indicates that the connector requires a minimum withdrawal force of 3 kilograms (6.6 pounds) to remove it from the mating port. This higher retention strength provides a secure connection ideal for fixed installations or environments subject to vibration or cable movement.

The 2 kg Retention icon indicates that the connector requires a minimum withdrawal force of 2 kilograms (4.4 pounds) to remove it from the mating port. This specification provides an enhanced physical connection, offering greater resistance to accidental disconnection in demanding or high-movement installation environments.

The 1 kg Retention icon indicates that the connector requires a minimum withdrawal force of 1 kilogram (2.2 pounds) to remove it from the mating port. This specification ensures a secure physical connection, reducing the risk of accidental disconnection during installation or routine equipment movement.

PoH (Power over HDBaseT) denotes a technology that delivers both power and data through HDBaseT cabling. Based on the IEEE 802.3at PoE+ standard, PoH increases available power up to 100 watts, enabling compatible devices such as HDBaseT receivers, transmitters, and some televisions to operate without a separate power connection.

PoC (Power-over-Cable) denotes a proprietary method of transmitting power and data simultaneously over category cabling. Unlike PoE, PoC is not standardised, allowing manufacturers to define voltage and current levels specific to their systems. It is commonly used in AV and control applications to power devices such as transmitters, receivers, or extenders.

PoE (Power over Ethernet) is both the general term for the technology and the name of the original IEEE 802.3af standard. It enables power and data to be delivered simultaneously over a single Ethernet cable, supplying up to 15.4 watts per port to compatible devices such as access points, cameras, and network hardware.

4K 60 Hz 4:4:4 up to 40 m denotes a cable capable of transmitting 4K Ultra HD video at 60 frames per second with full 4:4:4 chroma subsampling over distances up to 40 metres. This performance corresponds to a data rate of 18 Gbps as defined by the HDMI 2.0 specification.

4K 60 Hz 4:2:0 up to 40 m denotes a cable capable of transmitting 4K video at 60 frames per second using 4:2:0 chroma subsampling over distances up to 40 metres. This performance level corresponds to a data rate of approximately 10.2 Gbps as defined within the HDMI 2.0 specification.

HDBaseT™ is a proprietary technology developed by Valens for transmitting uncompressed HD and UHD video, audio, Ethernet, control and power over standard twisted-pair cabling. It enables reliable long-distance distribution of high-quality signals through a single cable, simplifying AV infrastructure design in both residential and commercial networked installations.

HD Audio refers to high-resolution digital audio with greater sampling rates and bit depth than standard CD quality. It typically describes signals of 96 kHz/24-bit or 192 kHz/24-bit, carrying more detail and dynamic range. The HD Audio icon denotes compatibility with the transmission of high-fidelity audio formats.

TOSLink refers to an optical digital audio connection originally developed by Toshiba. It uses a square-shaped connector and transmits audio via the S/PDIF (Sony/Philips Digital Interface) standard using light signals. Commonly used to link televisions, soundbars and receivers, TOSLink supports stereo and compressed 5.1 surround formats such as Dolby Digital and DTS.

48 Gbps (gigabits per second) denotes the maximum data rate defined by the HDMI 2.1 specification introduced in 2017. A cable rated to 48 Gbps can transfer 48 billion bits of data each second, supporting 8K and 10K resolutions. This level of performance demands precise engineering, especially at longer cable lengths.

18 Gbps (gigabits per second) denotes the maximum data rate defined by the HDMI 2.0 standard introduced in 2013. A cable rated to 18 Gbps can transmit or receive 18 billion bits of data each second, supporting 4K Ultra HD video at 60 Hz with HDR and full 4:4:4 chroma subsampling.

10.2 Gbps (gigabits per second) denotes the data transmission rate defined by the HDMI 1.4 specification introduced in 2009. A cable rated to 10.2 Gbps can transmit or receive up to 10.2 billion bits of data each second, supporting Full HD and 3D video formats as required by High Speed HDMI cables.

10K UHD Wide refers to a video resolution of approximately 10,240 × 4,320 pixels, delivering over 44 million pixels per frame. It doubles both the horizontal and vertical resolution of 5K and is typically used in ultra-wide or anamorphic formats. The 10K icon denotes compatibility with emerging ultra-high-resolution video formats.

8K Ultra HD refers to a video resolution of 7680 × 4320 pixels, doubling both the horizontal and vertical pixel count of 4K. An 8K image contains approximately 33.2 million pixels, offering exceptionally high detail and clarity. The 8K icon denotes compatibility with next-generation ultra-high-resolution video formats.

5K UHD Wide refers to a video resolution of approximately 5120 × 2160 pixels, commonly used in commercial and cinematic production with anamorphic (2.35:1) aspect ratios. The vertical resolution matches 4K, but additional horizontal pixels increase total data rate to around 22 megapixels. The 5K icon denotes compatibility with ultra-wide, higher-bandwidth video formats.

4K up to 5 m indicates that the HDMI cable is capable of transmitting 4K Ultra HD video over lengths up to 5 metres. This icon is typically used to show the maximum recommended cable length for maintaining full 4K signal performance within the HDMI 2.0 specification.

4K up to 3 m indicates that the HDMI cable is capable of transmitting 4K Ultra HD video over lengths up to 3 metres. This icon is typically used to show the maximum recommended cable length for maintaining full 4K signal performance within the HDMI 2.0 specification.

4K 60 Hz 4:4:4 denotes a cable capable of transmitting 4K Ultra HD video at 60 frames per second with full 4:4:4 chroma subsampling. This format preserves all colour information without compression, requiring a data rate of about 17.2 Gbps as defined by the HDMI 2.0 specification for high-bandwidth video signals.

4K Ultra HD refers to a video resolution of 3840 × 2160 pixels, doubling both the horizontal and vertical pixel count of Full HD. Although commonly called “4K,” the resolution falls slightly below 4000 pixels horizontally due to the 16:9 aspect ratio. A 4K Ultra HD image contains approximately 8.3 million pixels.

1080p refers to a video resolution of 1920 × 1080 pixels displayed progressively rather than interlaced. Also known as Full HD, it became the standard format for HDMI 1.4 and remains widely used across broadcast, streaming and display devices. The 1080p icon denotes compatibility with Full HD video resolutions.

3D refers to stereoscopic video technology that creates the illusion of depth by presenting separate images to each eye. Supported in HDMI since version 1.4, 3D formats enable compatible displays to reproduce immersive visuals for films, games, and simulations using active or passive viewing methods.

HEAC (HDMI Ethernet and Audio Return Channel) is a feature introduced with HDMI 1.4 that combines Ethernet connectivity and audio return within a single HDMI cable. It allows two-way network communication between connected devices, enabling Ethernet sharing and ARC functionality without requiring separate network or audio cables.

XLR denotes a type of electrical connector commonly used for professional audio, video, and lighting applications. Featuring a circular design with three or more pins, XLR connectors provide secure locking and balanced signal transmission, ensuring reliable connections for microphones, mixers, amplifiers, and other audio equipment.

ARC (Audio Return Channel) is a feature introduced with HDMI 1.4 that enables audio to travel from a display device back to an amplifier, soundbar or receiver through the same HDMI connection. This allows audio from built-in tuners or streaming apps to be played through external sound systems without requiring a separate audio cable.

HDCP 2.2 (High-bandwidth Digital Content Protection) is a digital copy protection protocol embedded in HDMI and DisplayPort connections. Introduced in 2015, it safeguards copyrighted 4K and UHD content from unauthorised copying. All connected devices in the signal chain must be HDCP 2.2 compliant to ensure proper communication and content playback.

AOC (Active Optical Cable) is a cable that converts electrical signals into light and then back again for transmission of audiovisual signal over optical fibre. This process allows data to travel over much longer distances than traditional copper conductors. AOCs include active electronics within the connector heads, drawing power from the source device or an external supply to operate the conversion circuitry.

Dynamic HDR refers to High Dynamic Range video where brightness, contrast and colour metadata are adjusted on a frame-by-frame or scene-by-scene basis. This provides more accurate tone mapping compared with static HDR, allowing displays to reproduce highlights and shadow detail more faithfully across varying content.

HDR (High Dynamic Range) refers to video technology that expands the difference between the darkest and brightest parts of an image, improving contrast and visible detail. It enables more lifelike visuals with greater depth and colour accuracy. Common HDR formats include HDR10, HDR10+, and Dolby Vision, each using different metadata and tone-mapping methods.