The TLBF-1G1-400M-L from Talent Microwave Inc is a Band Pass Filter with Frequency 900 to 1300 MHz, Bandwidth 400 MHz, Center Frequency 1100 MHz, Insertion Loss 1.5 to 1.8 dB, Upper Rejection 10dB@1550Mhz. Tags: Module with Connectors. More details for TLBF-1G1-400M-L can be seen below.