The TLBF-3G45-600M-E from Talent Microwave Inc is a Band Pass Filter with Frequency 3150 to 3750 MHz, Bandwidth 600 MHz, Center Frequency 3450 MHz, Insertion Loss 1 dB, Upper Rejection 40dB@4250 MHz. Tags: Module with Connectors. More details for TLBF-3G45-600M-E can be seen below.