The SXBP-820 from Mini Circuits is a Band Pass Filter with Frequency 769 to 872 MHz, Bandwidth 103 MHz, Center Frequency 820 MHz, Insertion Loss 2.37 to 4.05 dB, Rejection 20 dB @ 550 and 920 MHz. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for SXBP-820 can be seen below.