The BFCG-252+ from Mini Circuits is a Band Pass Filter with Frequency 2400 to 2500 MHz, Center Frequency 2450 MHz, Insertion Loss 1.7 to 3.5 dB, Upper Rejection 23 to 36 dB, Lower Rejection 25 to 35 dB. Tags: Ceramic, Ceramic Filter. More details for BFCG-252+ can be seen below.