The WRCGV12-3488-3495-3505-3512-40-4 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 3.495 to 3.505 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 WRCGV12-3488-3495-3505-3512-40-4 can be seen below.