The CBPFS-0836 from Crystek Corporation is a Band Pass Filter with Frequency 824 to 849 MHz, Bandwidth 25 MHz, Center Frequency 836.500 MHz, Insertion Loss 1.8 dB, Rejection 27 to 51 dB. Tags: Module with Connectors, RF SAW Filter. More details for CBPFS-0836 can be seen below.