The WRCGV5-908-915-921-928-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 915 to 921 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 WRCGV5-908-915-921-928-40 can be seen below.