The WRCT8-918.035-919.385-920.615-921.965-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 919.385 to 920.615 MHz, Bandwidth 1.23 MHz, Insertion Loss 0.6 to 1.5 dB, Rejection 40 dB, VSWR 1.43:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT8-918.035-919.385-920.615-921.965-40 can be seen below.