The TLBF-4G9-400M-E from Talent Microwave Inc is a Band Pass Filter with Frequency 4700 to 5100 MHz, Bandwidth 400 MHz, Center Frequency 4900 MHz, Insertion Loss 1 dB, Upper Rejection 40dB@5900MHz. Tags: Module with Connectors. More details for TLBF-4G9-400M-E can be seen below.