The BPGE-252R+ from Mini Circuits is a Band Pass Filter with Frequency 2400 to 2500 MHz, Center Frequency 2450 MHz, Insertion Loss 1.3 to 1.8 dB, Upper Rejection 12 to 43 dB, Lower Rejection 10 to 42 dB. Tags: Ceramic, Ceramic Filter. More details for BPGE-252R+ can be seen below.