The WRCD20-1484.5-1486.5-1506.5-1508.5-40-2 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.4865 to 1.5065 GHz, Bandwidth 20 MHz, Insertion Loss 2.25 to 3.5 dB, Rejection 40 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCD20-1484.5-1486.5-1506.5-1508.5-40-2 can be seen below.