The TLBF-500M-800M-L2 from Talent Microwave Inc is a Band Pass Filter with Frequency 500 to 800 MHz, Bandwidth 300 MHz, Center Frequency 650 MHz, Insertion Loss 3 dB, Upper Rejection 40dB@650±260 MHz. Tags: Module with Connectors. More details for TLBF-500M-800M-L2 can be seen below.