The WRCGV10-1727.5-1737.5-1752.5-1762.5-40-3 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.7375 to 1.7525 GHz, Bandwidth 15 MHz, Insertion Loss 0.75 to 1.5 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV10-1727.5-1737.5-1752.5-1762.5-40-3 can be seen below.