Airband Filter

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A new Airband bandpass filter centered at 128 MHz. The filter has a bandwidth of 20 MHz.  The filter is designed to reject strong signals in the adjacent FM band. Here are the specifications:

Frequency (MHz) Typical Attenuation (dB)
78 43
88 35
98 25
108 10
118 4
120 4
125 4
128 4
138 4
150 11
200 39

 

The filter is available on Tindie