The BFCQ-1932+ from Mini Circuits is a Band Pass Filter with Frequency 17.7 to 21 GHz, Center Frequency 19.3 GHz, Insertion Loss 1.6 to 3 dB, Upper Rejection 30 to 50 dB, Lower Rejection 20 to 46 dB. Tags: Ceramic, Ceramic Filter. More details for BFCQ-1932+ can be seen below.