The TLBF-1250M-400M-L from Talent Microwave Inc is a Band Pass Filter with Frequency 1050 to 1450 MHz, Bandwidth 400 MHz, Center Frequency 1250 MHz, Insertion Loss 1 to 1.5 dB, Upper Rejection 10dB@1600Mhz. Tags: Module with Connectors. More details for TLBF-1250M-400M-L can be seen below.