The BPF-1020-20-C5 from COTS RF is a Band Pass Filter with Frequency 1010 to 1030 MHz, Bandwidth 20 MHz @ 3 dB, Center Frequency 1020 MHz, Insertion Loss 2.5 dB, Rejection 50dB @ 980 & 1060 MHz. Tags: Module with Connectors. More details for BPF-1020-20-C5 can be seen below.