The WRCFV16-3387.5-3400-3600-3612.5-40-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 3.4 to 3.6 GHz, Bandwidth 200 MHz, Insertion Loss 2 to 2.5 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCFV16-3387.5-3400-3600-3612.5-40-2 can be seen below.