The WRCJV12-1700-1710-1770-1780-35-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.71 to 1.77 GHz, Bandwidth 60 MHz, Insertion Loss 1 to 2.5 dB, Rejection 35 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCJV12-1700-1710-1770-1780-35-2 can be seen below.