Niles C5-HDMI T

CAT-5 HDMI transmitter balun

Item #: 190C5HDMIT

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Niles CAT-5 HDMI baluns use durable, inexpensive CAT-5 cable to send high-def video and surround sound to another room in your home. They're a great solution for folks creating a multi-room audio/video system, and also give you some cool options for your main home theater room. Wall-mount your flat-panel TV, then hide all your video sources in an adjacent room for a super-clean look. Or send a 1080p HD video signal to a ceiling-mounted projector, without having to invest in a long, expensive HDMI cable.

These HDMI baluns are a good option for homes with existing dual-CAT-5 cable runs, since you might not have to install any new in-wall wire. And they deliver clear, high-resolution video up to 1080p and full surround sound, even over cable runs of up to 100 feet.

How it works
You'll need to purchase two HDMI baluns to set up a fully functioning system — both this transmitter and a matching receiver (sold separately). HDMI's high bandwidth requires the use of two CAT-5 cable runs. Installation is straightforward — just connect the transmitter and receiver to your two lengths of CAT-5 cable. Connect this transmitter balun to your video source, like a high-def cable box or Blu-ray player, using an HDMI cable. Connect the receiver balun to your HDTV or home theater receiver with another HDMI cable. Now you can send high-def video and surround sound to a system in another room.

What is a balun?
A balun gets its name by converting signals between balanced and unbalanced lines. Balanced cables can carry signals over much larger distances than unbalanced lines, because of their superior noise rejection. This balun converts audio/video signals between balanced CAT-5 connections and unbalanced HDMI connections.

Product Highlights:

  • one C5-HDMI transmitter and one Niles HDMI receiver required for a fully functioning setup
  • HDMI input (v1.3 compliant)
  • dual shielded CAT-5 jacks
  • requires two CAT-5 cable runs
  • maximum range:
    • resolutions up to 1080i: 200 feet
    • 1080p resolution: 100 feet
  • not compatible with Wi-Fi® adapters
  • cannot share CAT-5 cables with other signals
  • requires external 5V power supply (included)
  • HDMI cables required for installation (sold separately)
  • durable metal construction
  • 4-3/4"W x 1"H x 2-3/16"D
  • warranty: 2 years
  • Our 60-day money-back guarantee
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Hands-on research

What's in the box?

Download owner's manual

  • C5-HDMI T Cat-5 to HDMI Transmitter balun
  • AC adapter with attached 50 DC output cord (DC output: 5V/1A)
  • Installation Guide

Product Research


Overview: The C5-HDMI T Cat-5 to HDMI transmitter balun allows you to send an HDMI signal from a compatible device long distances over cost-effective Cat-5 twisted pair cabling. The C5-HDMI T has four connectors: two shielded RJ-45 jacks for the required 2 runs of Cat-5 cable, a single, gold-plated HDMI connector, and a barrel-style DC power connector. The entire C5-HDMI system is powered by the supplied 5V power supply.

Construction: The C5-RF has a durable metal chassis and mounting wings with universal mounting holes for vertical or horizontal installation.

System Design: Two C5-HDMI units are required (one C5-HDMI T transmitter and one C5-HDMI R receiver) for a complete system. There are two form factors available for each type of unit: a wall-mount version and a chassis-style version. Two runs of Cat-5 cable are required between the two baluns. The HDMI-equipped devices, such as DVD players, TVs, or satellite receivers, plug into the system via the HDMI connector on each balun.


  • Resolutions: 480i to 1080p
  • HDCP compliant
  • HDMI Version: 1.3 compliant
  • Transmission Distances (at each resolution):
    • 480i, 480p, 720p, and 1080i: up to 200 feet
    • 1080p: up to 100 feet
  • Cable Compatibility: Cat-5, Cat-5e, Cat-6 UTP and STP

Performance Expectations: Actual performance may vary based on multiple factors unique to the installation

Our Product Research Team

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