Helium 868 MHz Bandpass Filter Notch Filter 800 MHz 40 dB

800 MHz               40 dB

Here's the same filter without the adapters

This inline bandpass filter passes the full 164 to 174 MHz range while rejecting out-of-band interference from FM broadcast

7 GHz               2

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

Helium 868 MHz Bandpass Filter Notch Filter 800 MHz 40 dBPRODUCT OVERVIEW This is a small, cost effective 868 MHz band pass filter with a typical insertion loss of less than 3 dB in the pass band which includes 867, 868, 869 and 870 MHz. This filter has been designed specifically for Helium miners. It has RP SMA connectors at either end so that you don't need additional RF adapters. This minimizes filter insertion loss. This filter has excellent rejection specifications. Rejection at 400 MHz and 950 MHz for