Amazon.com: GROWORD-5G LTE Filter for TV Antenna Signal Purifier-Improve Digital HDTV Antenna and Amplifier Signals-4G/5G RF Filter Reduce Interference from Cell Phone Towers&Transmitters Frequency Range 5-698Mhz : Electronics
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Velleman CF4G1: 4G/LTE FILTER F CONNECTOR – Velleman – Wholesaler and developer of electronics
Amazon.com: Philips LTE Filter for TV Antenna, Filters 4G 5G LTE Signal to Reduce Interference and Pixilation for Clear Digital HD TV Reception, Frequency Range 5-608 MHz, Indoor Outdoor Installation, SDW1520/27 :