The BPF-140S from RF Bay is a Band Pass Filter with Frequency 137.5 to 142.5 MHz, Bandwidth 5 MHz, Center Frequency 140 MHz, Insertion Loss 6.5 to 7.5 dB, Upper Rejection 47 to 52 dB. Tags: Module with Connectors, RF SAW Filter. More details for BPF-140S can be seen below.