The WRCT5-914.2-914.9-915.1-915.8-40-1 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 914.9 to 915.1 MHz, Insertion Loss 0.5 to 2.25 dB, Rejection 40 dB, VSWR 1.43:1, Center Frequency 915 MHz. Tags: Module with Connectors, Cavity Filter. More details for WRCT5-914.2-914.9-915.1-915.8-40-1 can be seen below.