Transmission method of universal radio transparent VPN network bridge system based on GRPS/CDMA 2000 1X

This invention relates to a general radio transparent VPN mail bridge system composed of radio VPN terminals and gate ways taking GPRS/CDMA2000 1X OF 2.5G public radio packet data transmission exchange platform provided by current mobile communication merchants as the transmission basis, both the two equipments work on the Ether net link layer, so it can realize IP data remote transparent radio transmission and interaction of different Ether nets. It's not necessary to use special VPN to set up network or developing extra softwares or mounting software at customer ends and all the top layer applied systems are the original softwares without improvement to set up network by this invented system.