The QRF-5850-5925-50 from Qualwave is a Band Stop Filter with Stopband Frequency 5850 to 5925 MHz, Bandwidth 75 MHz, Insertion Loss 2 to 3 dB, Rejection 50 dB, Power 2 W. Tags: Module with Connectors. More details for QRF-5850-5925-50 can be seen below.