The TLBF-4G4-8G5-X from Talent Microwave Inc is a Band Pass Filter with Frequency 4400 to 8500 MHz, Bandwidth 4.1 GHz, Center Frequency 6450 MHz, Insertion Loss 1.5 dB, Upper Rejection [email protected]. Tags: Module with Connectors. More details for TLBF-4G4-8G5-X can be seen below.