The NBP-1007 from Stellant Systems is a Band Pass Filter with Frequency 2.6 to 5.2 GHz, Bandwidth 2600 MHz, Center Frequency 3900 MHz, Insertion Loss 0.75 dB, Upper Rejection 5 dB @5.85 to 15 GHz. Tags: Module with Connectors. More details for NBP-1007 can be seen below.