The WRCT10-1907.6-1909.2-1910.8-1912.4-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.9092 to 1.9108 GHz, Bandwidth 1.6 MHz, Insertion Loss 1.25 to 2.5 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT10-1907.6-1909.2-1910.8-1912.4-40 can be seen below.