Lorenz LZ-120EXT / LZ-120EXR 18Gbps HDMI & Control over HDBaseT Extender

Lorenz LZ-120EXT / LZ-120EXR 18Gbps HDMI & Control over HDBaseT Extender

Introduction

The Lorenz LZ-120EXT / LZ-120EXR HDMI Extender is a professional AV signal extension solution designed to transmit high-quality HDMI video, audio, and control signals over long distances using a single CAT5e/6 cable. The system consists of a transmitter and receiver pair capable of extending 4K Ultra HD video up to 120 meters while maintaining signal integrity. It supports advanced features such as bi-directional IR, RS-232 control, CEC pass-through, HDR formats, and Power over Cable (PoC), making it ideal for conference rooms, control centers, digital signage, and professional AV installations. 

Key Features

• HDMI extension over single CAT5e / CAT6 cable up to 120 meters
• Supports 4K Ultra HD resolution up to 4K@60Hz (4:4:4)
• High bandwidth 18Gbps HDMI 2.0 transmission
• HDCP 2.3 compliant for secure content transmission
• HDMI loop output on transmitter for local display monitoring
• Audio de-embedding with stereo analog output on receiver
• Bi-directional IR and RS-232 pass-through for device control
• CEC pass-through support for HDMI device control
• Supports HDR, HDR10+, Dolby Vision, and HLG formats
• Power over Cable (PoC) allowing remote powering of devices
• Compact and space-efficient design for flexible installation
• Ideal for conference rooms, classrooms, control rooms, and digital signage systems 

Technical Specifications

Video

• HDMI Standard: HDMI 2.0b
• HDCP Support: HDCP 2.3
• Video Bandwidth: 18Gbps
• Maximum Resolution: 4K@60Hz (4:4:4)
• Transmission Distance: Up to 120 meters over CAT5e/6 cable
• HDR Support: HDR, HDR10+, Dolby Vision, HLG

System Configuration

• Device Type: Transmitter + Receiver Pair
• Must be Used in Pair: Yes
• HDMI Loop Output: Yes (on transmitter)
• Audio De-embedding: Yes (analog stereo output on receiver)

Transmitter (LZ-120EXT)

• Input Ports
– 1 × HDMI Type-A (19-pin) input
– 1 × SERVICE port (Mini-USB for firmware update)

• Output Ports
– 1 × HDBaseT output (RJ-45)
– 1 × HDMI loop output

Receiver (LZ-120EXR)

• Input Ports
– 1 × HDBaseT input (RJ-45)
– 1 × SERVICE port (Mini-USB)

• Output Ports
– 1 × HDMI output
– 1 × Analog audio output (3.5 mm stereo)

Control Interfaces

• 1 × IR IN (3.5 mm stereo mini-jack)
• 1 × IR OUT (3.5 mm stereo mini-jack)
• 1 × RS-232 control port (Phoenix connector)
• Bi-directional IR and RS-232 pass-through supported
• CEC pass-through supported

Power

• Power Supply Input: AC 100 – 240V, 50/60Hz
• Power Adapter Output: DC 24V / 1A
• Power Consumption: 9.36W
• Remote Powering: PoC (Power over Cable)

Mechanical

• Dimensions: 140 × 18 × 65 mm
• Weight
– Transmitter: 160 g
– Receiver: 155 g

Environmental

• Operating Temperature: 0°C – 40°C
• Storage Temperature: –20°C – 60°C
• Relative Humidity: 20% – 90% RH (non-condensing)

Compliance

• Certifications: CE, FCC, RoHS, LMPC