The TLBF-28G3-31G3-E from Talent Microwave Inc is a Band Pass Filter with Frequency 28.3 to 31.3 GHz, Bandwidth 3000 MHz, Center Frequency 29800 MHz, Insertion Loss 1.5 dB, Upper Rejection 50dB@±3Ghz. Tags: Module with Connectors. More details for TLBF-28G3-31G3-E can be seen below.