The TLBF-30G-4G-A from Talent Microwave Inc is a Band Pass Filter with Frequency 28 to 32 GHz, Bandwidth 4000 MHz, Center Frequency 30000 MHz, Insertion Loss 2 dB, Upper Rejection 30dB@37Ghz. Tags: Module with Connectors. More details for TLBF-30G-4G-A can be seen below.