The WRCGV10-905.5-915-921-930.5-80 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 915 to 921 MHz, Bandwidth 6 MHz, Insertion Loss 1 to 2 dB, Rejection 80 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV10-905.5-915-921-930.5-80 can be seen below.