The TLBF-4G25-20M-E from Talent Microwave Inc is a Band Pass Filter with Frequency 4240 to 4260 MHz, Bandwidth 20 MHz, Center Frequency 4.25 GHz, Insertion Loss 3 dB, Upper Rejection 40dB@4250±100MHz. Tags: Module with Connectors. More details for TLBF-4G25-20M-E can be seen below.