The TLBF-1050M-1450M-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 3 dB, Upper Rejection 40dB@1250±300Mhz. Tags: Module with Connectors. More details for TLBF-1050M-1450M-L can be seen below.