The NBP-1008 from Stellant Systems is a Band Pass Filter with Frequency 2.6 to 6.5 GHz, Bandwidth 3900 MHz, Center Frequency 4550 MHz, Insertion Loss 1 dB, Upper Rejection 6 dB @7.1 to 18 GHz. Tags: Module with Connectors. More details for NBP-1008 can be seen below.