The WRCTG12+16-2560-2570-2620-2630-75-4 from Wainwright Instruments is a Band Stop Filter with Stopband Frequency 2.57 to 2.62 GHz, Bandwidth 50 MHz, Insertion Loss 2 to 2.75 dB, Rejection 75 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for WRCTG12+16-2560-2570-2620-2630-75-4 can be seen below.