The TLBF-4G9-300M-E from Talent Microwave Inc is a Band Pass Filter with Frequency 4750 to 5050 MHz, Bandwidth 300 MHz, Center Frequency 4.9 GHz, Insertion Loss 1.2 dB, Upper Rejection 40dB@4900±200Mhz. Tags: Module with Connectors. More details for TLBF-4G9-300M-E can be seen below.