The BFCV-3350+ from Mini Circuits is a Band Pass Filter with Frequency 2570 to 4130 MHz, Center Frequency 3350 MHz, Insertion Loss 1.5 to 3.5 dB, Upper Rejection 15 to 20 dB, Lower Rejection 14 to 17 dB. Tags: Ceramic, Ceramic Filter. More details for BFCV-3350+ can be seen below.