FM Filter

TV Antenna FM Filter

Price: $19.00

Description Technical Specifications FAQ's & Support Docs

The Channel Master FM Filter improves over the air (antenna) signals by filtering out FM signal interference.

The Channel Master FM Filter is designed to clear your OTA TV signal path from the common interference created by overpowering FM radio signals. FM signals have been known to cause issues with TV antenna reception for many years now and FM interference was even more pronounced during the analog days. The Channel Master FM Filter is a high-quality filter encased in a metal all-weather housing that is designed to be installed either indoors or outdoors. The filter blocks FM frequencies starting at 88MHZ and ending at 108MHZ with precision start and stop signal roll-off which prevents the filter from causing issues to adjacent TV channels.

Common situations in which FM interference to TV reception occurs are, your antenna is located within two miles of an FM transmitter or your antenna is located further than 2 miles but there is a presence of strong FM signals at your location. FM radio towers are a common cause of intermittent television signal disruption because transmitting FM signals can be received at a much stronger signal level than OTA TV signals. In some cases, this can be problematic. These disruptions can be short in duration and result in intermittent weak signals, pixilation, channel loss, and can be especially disruptive when using an amplifier with your TV antenna. It can be difficult for antenna owners to determine if they are experiencing reception issues because of FM interference, this is why Channel Master encourages the use of an FM filter with all OTA TV antenna installations to avoid any possibility of FM interference. The use of an FM filter is highly encouraged if a signal amplifier/booster is used with an OTA TV antenna setup because the amplifier/booster will also increase the FM signal levels if the amplifier does not have FM filtering built-in. Learn more about FM filters and their use cases in this article on our blog.

What’s Included

FM Filter
1-Year Limited Warranty


Blocks interference from FM radios and signal towers
Minimal setup is required
Professional Grade Construction and Quality
Average Customer Review: Average Customer Review: 5 of 5 5 of 5 Total Reviews: 2 Write a review.

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  0 of 0 people found the following review helpful:
5 of 5 Great Filter January 14, 2021
Reviewer: Norman from TX  
Was using a different brand and it was reducing the signal strength, The CM filter did not reduce the signal.

  0 of 0 people found the following review helpful:
5 of 5 Live close to FM tower November 21, 2020
Reviewer: Daniel from Los Angeles  
I was having the worst luck getting my amplifier for my antenna to output all the channels I wanted and knew I could get at my house.  I finally got a tip from a broadcast engineer that my problem could be FM signals being too strong at my residence.  It all seemed like a roll  of the dice to me but I purchased this and installed it easily at my input of my amplifier to block FM signals.  I am now a believer that my friend was right.  This device did the trick!  Very happy and oddly enough I now receive a few more channels I didnt know existed after I rescanned.