The BPF-A475+ from Mini Circuits is a Band Pass Filter with Frequency 400 to 550 MHz, Center Frequency 475 MHz, Insertion Loss 1.4 to 2.0 dB, Upper Rejection 40 to 48 dB @ 650 to 5000 MHz, Lower Rejection 20 to 45 dB @DC to 300 MHz. Tags: Surface Mount, Lumped Component Filter. More details for BPF-A475+ can be seen below.