The CBPFS-1575 from Crystek Corporation is a Band Pass Filter with Frequency 1.545 to 1.605 GHz, Bandwidth 60 MHz, Center Frequency 1575.420 MHz, Insertion Loss 2.6 to 3.5 dB, Rejection 12 to 39 dB. Tags: Module with Connectors, RF SAW Filter. More details for CBPFS-1575 can be seen below.