The WRCD20-1445.9-1447.9-1462.9-1464.9-40 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 1.4479 to 1.4629 GHz, Insertion Loss 2.25 to 3.5 dB, Rejection 40 dB, VSWR 1.50:1, Center Frequency 1.4554 GHz. Tags: Module with Connectors, Cavity Filter. More details for WRCD20-1445.9-1447.9-1462.9-1464.9-40 can be seen below.