Review on 📻 FM Bandstop Filter v2 (FM Notch Filter) - Flamingo+ FM - Enhancing Software Defined Radio (RTL-SDR) Applications by Blocking Interfering 88-108MHz Frequencies from SMA-Connected Radios by Douglas Holla

This well made FM bandpass filter solved my problem when Radio Amor 100.3 FM was overloading my SDR transceiver. 100.3 FM with 14.5 kW for 10 miles distance was blocked filter. Success! The filter is labeled input and output side, which means you must use it with an antenna connected to the input. I tested the filter and as you can see from the pictures the filter is non-directional and you can use it in any orientation. Since the filter is bi-directional I use it in a QRP transceiver and have been transmitting 5 watts SSB and CW. I'm not sure I would do it with more than 10 watts, but for 5 watts it works great. I love it and I recommend it.