The QRF-2400-2500-50 from Qualwave is a Band Stop Filter with Stopband Frequency 2400 to 2500 MHz, Bandwidth 100 MHz, Insertion Loss 1.5 dB, Rejection 50 dB, Power 30 W. Tags: Module with Connectors. More details for QRF-2400-2500-50 can be seen below.