The WBCGV12-849-859-894-904-50-1 from Wainwright Instruments is a Band Pass Filter with Frequency 859 to 894 MHz, Bandwidth 35 MHz, Center Frequency 876.5 MHz, Insertion Loss 1.25 to 2 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV12-849-859-894-904-50-1 can be seen below.