The TLBF-3G-6G-X2 from Talent Microwave Inc is a Band Pass Filter with Frequency 3000 to 6000 MHz, Bandwidth 2000 MHz, Center Frequency 4500 MHz, Insertion Loss 1.5 dB, Upper Rejection 50dB@713Ghz. Tags: Module with Connectors. More details for TLBF-3G-6G-X2 can be seen below.