The QRF-2400-2483.5-50 from Qualwave is a Band Stop Filter with Stopband Frequency 2400 to 2483.5 MHz, Bandwidth 83.5 MHz, Insertion Loss 1 to 2.5 dB, Rejection 50 dB, Power 20 W. Tags: Module with Connectors. More details for QRF-2400-2483.5-50 can be seen below.