144-148 MHz Bandpass Filter for 2m Band Notch Filter 3 GHz 14 dB

3 GHz              14 dB

Rejection at 850 MHz and 1640 MHz for instance

cost-effective band pass filter centered at 433

If you're looking for a Hydrogen Line LNA with a built-in Bias Tee

2 GHz              13 dB

144-148 MHz Bandpass Filter for 2m Band Notch Filter 3 GHz 14 dBPRODUCT OVERVIEW The GPIO Labs 144148 MHz Bandpass Filter protects 2m band receivers from out of band interference strong FM broadcast, cellular, and adjacent service signals that desensitize front end amplifiers and mask weak signals. Passband covers 144148 MHz (North South America, Hawaii, Asia, Oceania) and 144146 MHz (Europe, Africa, Russia), matching regional 2m allocations for amateur radio, satellite communications, APRS, and VHF land mobile