The QRF-1710-1785-40-1 from Qualwave is a Band Stop Filter with Stopband Frequency 1710 to 1785 MHz, Bandwidth 75 MHz, Insertion Loss 3 dB, Rejection 40 dB, Power 20 W. Tags: Module with Connectors. More details for QRF-1710-1785-40-1 can be seen below.