Lenkeng HDMI Matrix over IP 1080p KIT 4×4 (LKV383Matrix-4TX/4RX)

• Built on ipcolor STREAM™ technology to deliver high-definition and low-latency transmission.
• Supports up to 3840 x 2160@60Hz resolution, backwards compatible.
• Compatible with Cat5e/6 or higher-level networking cables, transmission distance of Cat6 cable is 120 meters.
• Supports one-to-one or many-to-many connections through the gigabit switch.
• Supports IR pass-back(20～60KHz)
• Creating multi-screen splicing with up to 5×5 video wall through switch and controlled by APP.
• Supports 256 signal source inputs and 256 signal outputs, providing flexible many-to-many matrix configuration (Require APP control operation while connecting more than 100 TX-to-RXs).
• Firmware upgrading via Micro USB port.
• Lightning protection, surge protection, ESD protection.
• Supports stable 24/7 operation.

Specifications

Video & Audio Performance

• Max Resolution:

  • 4K@30Hz (4096×2160, 3840×2160)

  • 1080p@60Hz, 720p@60Hz, 2560×1440@60Hz

• HDMI Compliance: HDMI 2.0, HDCP 1.4/2.2

• Max Bandwidth: 18Gbps (supports HDR, 4:4:4 chroma at lower resolutions)

• Audio Output: LPCM 2.0 (stereo, no mention of surround sound)

Connection & Transmission

• Transmission Medium:

  • CAT5e (up to 100m) / CAT6 (up to 120m)

• Latency:

  • 4K@60Hz: 130–200ms

  • 1080p@60Hz: 70–130ms (Note: Higher latency typical in IP-based systems)

• HDMI Cable Limitation: ≤5m (for source-to-transmitter or receiver-to-display)

 Network & Matrix Flexibility

• Modes Supported:

  • One-to-one (single TX to RX)

  • Many-to-many (matrix switching via network)

  • Switch Cascading (supports LAN switches for larger setups)

• Protocol: Uncompressed HDMI over IP (proprietary or standard UDP-based)

IR Control (Remote Passthrough)

• IR Range: ≤5m (line-of-sight)

• IR Frequency: 20kHz–60kHz (compatible with most HDMI device remotes)

 Power & Environment

• Power Supply: DC 5V/2A (USB-C or barrel connector likely)

• Power Consumption:

  • Transmitter (TX): ≤5.5W

  • Receiver (RX): ≤3.5W

• Operating Temp.: -20°C to 60°C

• Humidity Tolerance: 0–90% RH (non-condensing)

Physical Design

• Housing: Iron (metal casing for EMI shielding)

• Weight: TX (503g), RX (500g)

• Dimensions: 191×96×25mm (compact, rack-mountable?)

Protection & Certifications

• ESD Protection:

  • ±4kV (contact discharge)

  • ±8kV (air discharge)

• Lightning/Surge Protection: Basic network-level protection