The BPF-1100-20-C5 from COTS RF is a Band Pass Filter with Frequency 1090 to 1110 MHz, Bandwidth 20 MHz @ 3 dB, Center Frequency 1100 MHz, Insertion Loss 2.5 dB, Rejection 50dB @ 1027 & 1090 MHz. Tags: Module with Connectors. More details for BPF-1100-20-C5 can be seen below.