The RBP-204 from Mini Circuits is a Band Pass Filter with Frequency 175 to 237 MHz, Bandwidth 62 MHz, Center Frequency 204 MHz, Insertion Loss 2.32 to 2.40 dB, Rejection 20 dB @ 135 and 300 MHz. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for RBP-204 can be seen below.