The WRCDF12+9-1708-1710-1755-1757-40-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.71 to 1.755 GHz, Bandwidth 45 MHz, Insertion Loss 2.5 to 5 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCDF12+9-1708-1710-1755-1757-40-2 can be seen below.