The QRF-5925-6425-50 from Qualwave is a Band Stop Filter with Stopband Frequency 5925 to 6425 MHz, Bandwidth 500 MHz, Insertion Loss 2 to 3 dB, Rejection 50 dB, Power 2 W. Tags: Module with Connectors. More details for QRF-5925-6425-50 can be seen below.