The RBP-280 from Mini Circuits is a Band Pass Filter with Frequency 260 to 310 MHz, Bandwidth 50 MHz, Center Frequency 280 MHz, Insertion Loss 2.56 to 3.16 dB, Rejection 20 dB @ 205 and 375 MHz. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for RBP-280 can be seen below.