The NBP-1011 from Stellant Systems is a Band Pass Filter with Frequency 4 to 8 GHz, Bandwidth 4000 MHz, Center Frequency 6000 MHz, Insertion Loss 0.75 dB, Upper Rejection 5 dB @900 MHz to 21 GHz. Tags: Module with Connectors. More details for NBP-1011 can be seen below.