The TLBF-500M-200M-L from Talent Microwave Inc is a Band Pass Filter with Frequency 400 to 600 MHz, Bandwidth 200 MHz, Center Frequency 500 MHz, Insertion Loss 1.2 dB, Upper Rejection 40dB@DC-730-1000 MHz. Tags: Module with Connectors. More details for TLBF-500M-200M-L can be seen below.