The WRCGV5-910.5-917.5-923.5-930.5-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 917.5 to 923.5 MHz, Bandwidth 6 MHz, Insertion Loss 0.5 to 1.5 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV5-910.5-917.5-923.5-930.5-40 can be seen below.