The TLBF-1G-40M-L from Talent Microwave Inc is a Band Pass Filter with Frequency 980 to 1020 MHz, Bandwidth 40 MHz, Center Frequency 1000 MHz, Insertion Loss 3.5 dB, Upper Rejection 40dB@1000±170Mhz. Tags: Module with Connectors. More details for TLBF-1G-40M-L can be seen below.