The TLBF-400M-100M-L2 from Talent Microwave Inc is a Band Pass Filter with Frequency 350 to 450 MHz, Bandwidth 100 MHz, Center Frequency 400 MHz, Insertion Loss 1.6 dB, Upper Rejection 40dB@550 MHz. Tags: Module with Connectors. More details for TLBF-400M-100M-L2 can be seen below.