The BPF-1575.42-50-C5 from COTS RF is a Band Pass Filter with Frequency 1550.42 to 1600.42 MHz, Bandwidth 50 MHz @ 3 dB, Center Frequency 1575.42 MHz, Insertion Loss 1 dB, Rejection 60dB @ 1475 & 1675 MHz. Tags: Module with Connectors. More details for BPF-1575.42-50-C5 can be seen below.