Trace it back to 1989, BFDX have been devoting to the professional wireless communication technology research and exploration for several decades.  As one of companies owning dPMR/DMR & PDT digital communication patents among few top companies globally which basic on selves R&D, BFDX holds dozens of technology patents. And BFDX is the first company in CHINA who launch the dPMR trunked system integrated by handheld transceiver, mobile radio and repeater to the market.