The WRCT16-918.8-919.3-920.7-921.2-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 919.3 to 920.7 MHz, Bandwidth 1.4 MHz, Insertion Loss 1 to 4 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT16-918.8-919.3-920.7-921.2-40 can be seen below.