The QRF-1920-1980-60 from Qualwave is a Band Stop Filter with Stopband Frequency 1920 to 1980 MHz, Bandwidth 60 MHz, Insertion Loss 1 to 1.7 dB, Rejection 60 dB, Power 20 W. Tags: Module with Connectors. More details for QRF-1920-1980-60 can be seen below.