The TLBF-250M-20M-L from Talent Microwave Inc is a Band Pass Filter with Frequency 245 to 255 MHz, Bandwidth 10 MHz, Center Frequency 250 MHz, Insertion Loss 3.5 dB, Upper Rejection 40dB@260±40 MHz. Tags: Module with Connectors. More details for TLBF-250M-20M-L can be seen below.