The BPF-F598+ from Mini Circuits is a Band Pass Filter with Frequency 410 to 785 MHz, Center Frequency 598 MHz, Insertion Loss 2.70 to 4.50 dB, Upper Rejection 20 to 35 dB, Lower Rejection 20 to 34 dB. Tags: Surface Mount, Lumped Component Filter. More details for BPF-F598+ can be seen below.