Set-top box internal connection cable

Product Features:

√ Zero signal attenuation
√ Compact fit
√ Precision manufacturing

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Product Description

This wiring harness provides power supply, audio and video signal transmission, and data interaction services for the core components of set-top boxes (motherboard, power board, hard drive, WiFi module, interface board). It is a crucial internal wiring harness ensuring the set-top box’s startup, high-definition screen projection, and network connection, directly impacting viewing smoothness and device stability! It is compatible with various home/commercial set-top boxes (network set-top boxes, satellite set-top boxes, 4K smart set-top boxes), TV box motherboards, power modules, and storage modules; supports HDMI interface board connection cables, power supply cables, WiFi module signal cables, and hard drive data transmission cables; is compatible with common terminals such as JST/PH/XH, and adapts to the compact internal space of set-top boxes; is compatible with HDMI 2.0/2.1 and USB 2.0/3.0 protocols, supports 4K/8K high-definition signal transmission and high-speed data read/write, meeting the needs of high-definition viewing.

Product Specifications

Item	Specification Details
Application Scenarios	Internal power supply, audio-visual signal, and radio frequency (RF) signal transmission for devices such as digital set-top boxes, smart network set-top boxes, satellite set-top boxes, etc.
Core Purpose	Power connection between mainboard and power board; audio-visual signal transmission between mainboard and interface board; RF signal transmission between tuner and mainboard
Compatible Devices	Set-top box mainboard, power board, HDMI interface module, RF tuner, AV interface board, network module
Electrical Parameters	1. Power Supply Wire: Rated Voltage 12V DC, Rated Current 3A~5A, Insulation Resistance ≥1000MΩ; 2. HDMI Signal Wire: Transmission Bandwidth ≥18Gbps, Supports 4K/60Hz, Color Restoration ≥99%, Signal Loss <1%; 3. RF Wire: Characteristic Impedance 75Ω, Operating Frequency 5MHz~1GHz, Attenuation ≤3dB/10m (at 6MHz)
Wire Specifications	1. Power Supply Wire: Conductor (stranded tinned copper, conductivity ≥98%), Wire Gauge AWG#22~#24 (0.3~0.5mm²), Wire Structure 16/0.16mm; 2. HDMI Wire: Conductor (stranded tinned copper + optical fiber, 4-core fiber transmission), Power Core AWG#24, Data Core AWG#28~#30; 3. RF Wire: Conductor (pure copper, diameter 1.0mm), Physically Foamed PE Insulation (foaming rate ≥80%)
Insulation/Sheath Material	1. Power Supply Wire: Insulation Layer (PVC, flame retardant V0), Sheath (TPU, wear-resistant); 2. HDMI Wire: Insulation Layer (FEP), Sheath (nylon braid + PVC); 3. RF Wire: Insulation Layer (physically foamed PE), Shielding Layer (aluminum foil + tinned copper mesh, coverage ≥90%), Sheath (PVC)
Terminal/Connector Type	1. Power Supply Wire: PH2.0/2.54mm pitch terminals (phosphor bronze, tinned 5μm), Contact Resistance ≤10mΩ; 2. HDMI Wire: 24Pin board-to-board HDMI connector (zinc alloy shell + gold-plated terminals, 5~15μm); 3. RF Wire: Metric F-connector (75Ω), crimp-on connection
Mechanical Properties	Wire Pull-out Force ≥15N; Bending Resistance ≥3 million times (bending radius ≥5mm); Plug-in Life ≥1000 times; Vibration Resistance 10~2000Hz (acceleration 5G, 20h no wire breakage)
Environmental Adaptability	Operating Temperature -20℃~+85℃; Storage Temperature -40℃~+105℃; Salt Spray Test 48h no corrosion; Flame Retardant Grade UL 94V0
Safety Certifications	HDMI 2.0 Certification, RoHS, CE, UL 1007, GB/T 14864, SYWV75 RF Wire Standard
Included Accessories	Insulating heat shrink tubes, fixing buckles, terminal protective sleeves, identification tubes, wire harness wrapping tubes