The TLBF-1G-20M-L from Talent Microwave Inc is a Band Pass Filter with Frequency 990 to 1010 MHz, Bandwidth 20 MHz, Center Frequency 1000 MHz, Insertion Loss 4.6 dB, Upper Rejection 40dB@1000±130Mhz. Tags: Module with Connectors. More details for TLBF-1G-20M-L can be seen below.