The BPF-C587+ from Mini Circuits is a Band Pass Filter with Frequency 470 to 705 MHz, Center Frequency 587 MHz, Insertion Loss 2 to 2.5 dB, Upper Rejection 20 to 25 dB, Lower Rejection 25 to 30 dB. Tags: Surface Mount, Lumped Component Filter. More details for BPF-C587+ can be seen below.