The WRCGV6-1945.5-1952.5-1957.5-1964.5-40-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.9525 to 1.9575 GHz, Bandwidth 5 MHz, Insertion Loss 0.65 to 1.5 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV6-1945.5-1952.5-1957.5-1964.5-40-2 can be seen below.