The WRCGV5-859-874-889-904-30 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 874 to 889 MHz, Bandwidth 15 MHz, Insertion Loss 0.5 to 0.6 dB, Rejection 30 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV5-859-874-889-904-30 can be seen below.