The 6C7-1575.42-50S11 from Reactel is a Band Pass Filter with Frequency 1.55 to 1.6 GHz, Bandwidth 50 MHz, Center Frequency 1575.42 MHz, Insertion Loss 1.0 dB @ CF, Rejection 60 dB @ DC - 1475 MHz, 60 dB @ 1675 - 3000 MHz. Tags: Module with Connectors, Cavity Filter. More details for 6C7-1575.42-50S11 can be seen below.