The BPF-8500-1000-C5 from COTS RF is a Band Pass Filter with Frequency 8000 to 9000 MHz, Bandwidth 1000 MHz @ 3 dB, Center Frequency 8500 MHz, Insertion Loss 1 dB, Rejection 50dB @ 4500 & 12500 MHz. Tags: Module with Connectors. More details for BPF-8500-1000-C5 can be seen below.