The TLBF-2G-4G-XG from Talent Microwave Inc is a Band Pass Filter with Frequency 2000 to 4000 MHz, Bandwidth 2000 MHz, Center Frequency 3000 MHz, Insertion Loss 1.2 dB, Upper Rejection >50dB@ 4.7-7Ghz. Tags: Module with Connectors. More details for TLBF-2G-4G-XG can be seen below.