The QRF-5150-5850-50 from Qualwave is a Band Stop Filter with Stopband Frequency 5150 to 5850 MHz, Bandwidth 700 MHz, Insertion Loss 1.5 dB, Rejection 50 dB, Power 5 W. Tags: Module with Connectors. More details for QRF-5150-5850-50 can be seen below.