The BPF-A587R5+ from Mini Circuits is a Band Pass Filter with Frequency 475 to 700 MHz, Center Frequency 587.5 MHZ, Insertion Loss 1.20 to 1.8 dB, Upper Rejection 20 to 50 dB @ 820 to 3800 MHz, Lower Rejection 20 to 55 dB @ DC to 390 MHz. Tags: Surface Mount, Lumped Component Filter. More details for BPF-A587R5+ can be seen below.