The NBP-2008 from Stellant Systems is a Band Pass Filter with Frequency 5.40 to 5.90 GHz, Bandwidth 500 MHz, Center Frequency 5650 MHz, Insertion Loss 0.5 dB, Upper Rejection 50 dB @6.5 to 18 GHz. Tags: Module with Connectors. More details for NBP-2008 can be seen below.