The TLBF-3G-5G-X2 from Talent Microwave Inc is a Band Pass Filter with Frequency 3000 to 5000 MHz, Bandwidth 2 GHz, Center Frequency 4000 MHz, Insertion Loss 1.5 dB, Upper Rejection 50dB @ 5.6 to10 GHz. Tags: Module with Connectors. More details for TLBF-3G-5G-X2 can be seen below.