The WRCFV8-3340-3400-3600-3660-35-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 3.4 to 3.6 GHz, Bandwidth 200 MHz, Insertion Loss 1.25 to 1.5 dB, Rejection 35 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCFV8-3340-3400-3600-3660-35-2 can be seen below.