The WRCGV14-1729.9-1749.9-1784.9-1804.9-90 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.7499 to 1.7849 GHz, Bandwidth 35 MHz, Insertion Loss 1 to 2.5 dB, Rejection 90 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCGV14-1729.9-1749.9-1784.9-1804.9-90 can be seen below.