LM-HB-70R
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LM-HB-70T

HDBaseT Transmitter for HDMI, RS-232 and IR, 1080P/60 up to 70m, 4K60 4:4:4 up to 35m. POC、EDID、HDMI 2.0、HDCP 2.2。

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Description






LM-HB-70T/LM-HB-70R HDMI Extender – 产品介绍


LM-HB-70T/LM-HB-70R 18Gbps HDMI Extender

Product Overview

The LM-HB-70T/LM-HB-70R is a professional 18Gbps HDMI Extender kit consisting of a transmitter and a receiver. It can extend high-definition video/audio, RS-232 and bi-directional IR signals up to 492ft/150m (1080P) and 394ft/120m (4K2K) via a single CAT5e/6 cable. Compliant with HDMI 2.0b and HDCP 2.2/1.4, it supports 4K2K@60Hz 4:4:4 ultra-high resolution, and is equipped with practical functions such as HDMI loop output, de-embedded analog audio output and PoC (Power over Cable), providing a perfect long-distance signal transmission solution for various professional and commercial scenarios.

Caution: The product requires the use of UTP connectors. Please connect in direct interconnection method and do not cross connect.
Direct Interconnection Wiring Sequence: White-Orange → Orange; White-Green → Blue; White-Blue → Green; White-Brown → Brown

Core Features

  • Compliant with HDMI 2.0b, HDCP 2.2/1.4 and DVI 1.0 for wide device compatibility
  • 18Gbps high video bandwidth, supporting 4K2K@60Hz 4:4:4 and all HDMI 3D TV formats
  • Long-distance transmission via single CAT5e/6 cable: 394ft/120m (4K2K) & 492ft/150m (1080P)
  • Transmitter with 1-way HDMI loop output for local real-time signal display
  • Receiver with 3.5mm stereo AUDIO OUT for de-embedded analog stereo audio output
  • Supports bi-directional IR, RS-232 and CEC pass-through for seamless device control
  • Compatible with HDR, HDR10+, Dolby Vision and HLG high dynamic range technologies
  • Built-in PoC function: power either unit with 24V/1A adapter, the other gets power via CAT cable
  • Compact metal enclosure with ESD protection (IEC 61000-4-2), anti-interference and durable
  • Low power consumption (9.36W) with wide voltage power supply (AC 100-240V 50/60Hz)

Package Contents

Quantity Item Name
1 18Gbps HDMI over HDBaseT Extender (Transmitter)
1 18Gbps HDMI over HDBaseT Extender (Receiver)
1 IR Blaster Cable (1.5 meters)
1 20~60KHz IR Receiver Cable (1.5 meters)
4 Mounting Ear
2 3-pin Phoenix Connector
1 24V/1A Locking Power Adapter
1 User Manual

Key Technical Specifications

Video & Audio Performance

Parameter Specification
HDMI Compliance HDMI 2.0b
HDCP Compliance HDCP 2.2 / HDCP 1.4
Video Bandwidth 18Gbps
Supported Resolution 4K2K 50/60Hz(4:4:4/4:2:2/4:2:0), 1080p/i, 720p/i, 480p/i, All PC resolutions (1920×1200)
Audio Formats LPCM 2.0/7.1, Dolby Digital/TrueHD, DTS-ES, DTS HD Master, DTS-X
Color Depth 8/10/12-bit (1080P60/4K30/4K60 YCbCr), 8-bit (4K60 4:4:4)

Mechanical & Environmental Parameters

Parameter Specification
Housing & Color Metal Enclosure, Black
Dimensions (W×D×H) 140mm × 65mm × 18mm (Transmitter/Receiver)
Weight Transmitter: 160g; Receiver: 155g
Power Supply AC 100-240V 50/60Hz → DC 24V/1A (Locking connector)
Power Consumption 9.36 W
Operating Temperature 0°C ~ 40°C (32°F ~ 104°F)
Operating Humidity 20%~80% RH (non-condensing)

Core Functions & Interfaces

Transmitter & Receiver Panel Features

  • PoC Power Supply: One 24V/1A adapter powers both transmitter and receiver via CAT cable
  • Bi-directional IR: 0-5m (±45°) / 0-8m (±90°) transmission distance, realizing cross-end remote control
  • Indicator Lights: Real-time display of power, device connection and HDMI/HDCP signal status
  • Firmware Update: Mini-USB SERVICE port for easy firmware upgrade
  • RS-232 Pass-through: 3-pin Phoenix connector for bidirectional RS-232 command transmission

Application Scenarios

  • Commercial Display: Digital signage, advertising screens in shopping malls, airports and hotels
  • Conference & Education: Conference rooms, lecture halls, multimedia classrooms for presentation transmission
  • Home Theater: Extend 4K UHD signal from media players to projectors/TVs in large living spaces
  • Control & Monitoring: Security command centers, monitoring rooms for long-distance video distribution
  • Retail & Exhibition: Product display screens, interactive kiosks with centralized signal management

Product Protection & Usage Tips

The product contains sensitive electrical components that may be damaged by electrical spikes, surges and lightning strikes. Surge protection systems are highly recommended to protect the equipment and extend its service life. For HDMI port connection, “Premium High Speed HDMI” cable is suggested to ensure optimal signal quality.

Note: All relevant information such as pictures, parameters and data provided on the website are for reference only. Please refer to the actual product received for specific specifications, appearance and performance.

Please contact our sales team for the latest details.


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