The TLBF-2G-4G-S from Talent Microwave Inc is a Band Pass Filter with Frequency 2000 to 4000 MHz, Bandwidth 2000 MHz, Center Frequency 3000 MHz, Insertion Loss 0.3 dB, Lower Rejection 20dB@DC to 1.9 GHz. Tags: Module with Connectors. More details for TLBF-2G-4G-S can be seen below.