The WRCGV12-3688-3695-3705-3712-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 3.695 to 3.705 GHz, Bandwidth 10 MHz, Insertion Loss 2 to 3 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV12-3688-3695-3705-3712-40 can be seen below.