The WRCD20-1732.5-1735-1760-1762.5-50-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.735 to 1.76 GHz, Bandwidth 25 MHz, Insertion Loss 2 to 3.5 dB, Rejection 50 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCD20-1732.5-1735-1760-1762.5-50-2 can be seen below.