The TLBF-1G78-20M-E from Talent Microwave Inc is a Band Pass Filter with Frequency 1770 to 1790 MHz, Bandwidth 20 MHz, Center Frequency 1.78 GHz, Insertion Loss 1.8 dB, Upper Rejection >40dB@fc+-50MHz. Tags: Module with Connectors. More details for TLBF-1G78-20M-E can be seen below.