Professional-Grade Antenna Port Terminator



The Channel Master Professional-Grade Antenna Port terminator is specifically designed for over-the-air antenna systems to help reduce noise and signal interference issues. The Antenna Port Terminator is the only terminator on the market that has been optimized for maximum performance with over the air antenna frequencies and has been designed to provide the highest RF return loss. Average return loss is greater than 40dB, this performance is better than most RF terminators on the market. In addition to it’s outstanding RF performance, the Channel Master Antenna Port Terminator incorporates a DC Voltage withstand of up to 100v which is ideal for use with TV antenna cable networks that use DC voltage over the coaxial cable to power amplifiers and other accessories. (Sold in single units, Individually packaged)

Port terminators are recommended for use on all unused ports in a TV antenna or cable TV installation. Unused ports in an antenna TV or cable TV network can cause significant signal degradation by allowing other radio frequency signals to leak in the system and interfere with the TV signals. Signals such as cellular LTE signals, Wifi signals and other IOT wireless device signals can all interfere with your TV antenna signals if they both co-exist on the same coaxial cable network. In addition to other signal interference, appliances and other electrical devices can also produce RF noise which can also leak into the coaxial cable network and also cause problems with your TV antenna signals.

If you are currently having signal issues with our over the air TV antenna setup or you simply want to avoid long term issues, we highly recommend adding the Channel Master Professional-Grade Antenna Port terminator on all unused ports on splitters, amplifiers and wall plates in your antenna systems coaxial cable network. There are a lot of low cost RF terminator options on the market and some are better than others when it comes to actual constuction quality and performance. The Channel Master Professional-Grade Antenna Port Terminator was designed for professionals and those who are seeking the highest quality components for their antenna installation. To learn more about the use of terminators with TV antennas, check out our blog post on this topic.

What’s Included

CM-7100 Professional-Grade Antenna Port Terminator
Instruction Sheet
1-Year Limited Warranty


Professional-Grade design for use with OTA antenna systems, cable TV and satellite
F-Type Male connector that is easy to install on all standard F-81/F-61 coaxial ports
75Ohm Impedance and Industry leading 40dB RF return loss
Supports frequencies up to 3Ghz
Compatible with all Channel Master amplifiers and splitters
Weather-resistant all metal design for outdoor and indoor use

Tech Specs

Electrical Specifications

Item CM-7100
Impedance 75 Ohm
Frequency Range 5 - 3000 MHz
Return Loss (<1000MHz) 40 dB (min)
Return Loss (<3000MHz) 25 dB (min)
DC Blocking Yes
DC Voltage Withstanding DC 100 V (max)
Connector Male "F" type
Dimensions 16 x 34.35 mm
Net Weight 32.8g

Customer Reviews

Based on 17 reviews
Quality product

This product is very beefy and will last a long time. I bought cheaper ones in the past but I got what I paid for. This time I know it will last longer. Product has improved the quality of my picture. Thank you child resting for producing great quality products.

Jeff Quade
King terminator

This is the terminator to end all terminators. It is extremely well made and screws on much easier than those cheap little terminators. It's expensive but you get what you pay for.

James Getz
The Terminator

It work' s great. My tv is working like it should.

Mike Ethier
Great quality.

This is the nicest terminator I have ever seen. It's very well made like all Channel Master products. I know the price seems a bit high, but this thing works very well.

Dennis Taylor
Plug extra port

Reworked antenna with amplifier and had extra port, bought this just in case, everything working great