The WRCD20-1447.5-1449.5-1464.5-1466.5-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.4495 to 1.4645 GHz, Bandwidth 15 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 WRCD20-1447.5-1449.5-1464.5-1466.5-40 can be seen below.