The FBF-309L from Metropole Products Inc. is a Band Pass Filter with Frequency 160 to 174 MHz, Bandwidth 16 MHz @ 1dB, Center Frequency 167 MHz, Insertion Loss 1.5 dB, VSWR 1.50:1, 1.60:1 @ 160 to 174 MHz. Tags: Module with Connectors. More details for FBF-309L can be seen below.