The TLBF-4G2-400M-E from Talent Microwave Inc is a Band Pass Filter with Frequency 4000 to 4400 MHz, Bandwidth 400 MHz, Center Frequency 4200 MHz, Insertion Loss 1.2 dB, Upper Rejection [email protected]. Tags: Module with Connectors. More details for TLBF-4G2-400M-E can be seen below.