The RBP-650 from Mini Circuits is a Band Pass Filter with Frequency 624 to 680 MHz, Bandwidth 56 MHz, Center Frequency 652 MHz, Insertion Loss 4.44 to 4.50 dB, Rejection 20 dB @ 560 and 760 MHz. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for RBP-650 can be seen below.