The CBP-1000F+ from Mini Circuits is a Band Pass Filter with Frequency 900 to 1100 MHz, Center Frequency 1000 MHz, Insertion Loss 0.9 to 1.6 dB, Upper Rejection 28 to 36 dB, Lower Rejection 26 to 35 dB. Tags: Surface Mount, Ceramic Filter. More details for CBP-1000F+ can be seen below.