The WRCT20-2429.25-2431.75-2451.75-2454.25-60 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.43175 to 2.45175 GHz, Bandwidth 20 MHz, Insertion Loss 2 to 5.5 dB, Rejection 60 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCT20-2429.25-2431.75-2451.75-2454.25-60 can be seen below.