The WRCD15-1918-1920-1925-1927-45-3 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.92 to 1.925 GHz, Bandwidth 5 MHz, Insertion Loss 1.75 to 3 dB, Rejection 45 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCD15-1918-1920-1925-1927-45-3 can be seen below.