如何更顺利地走向3G？这是业界至今未有结果的争论，其实争论的焦点就是如何把现用的数据传输率14.4kb/s转向2Mb/s或更高。目前转移途径有两条：CDMA 1xrtt标准(可使传输率达144kb/s)和从GSM升级的GPRS(达171.2kb/s)，这两种技术还只能称做2.5G，因为它们还不能支持真正的3G网 How to go 3G more smoothly? This is the industry’s unresolved controversy to date. In fact, the focus of debate is how to shift the active data transfer rate from 14.4kbps to 2Mb / s or higher. Currently there are two ways to transfer: CDMA 1xrtt standard (can make the transmission rate of 144kb / s) and upgrade from GSM GPRS (up to 171.2kb / s), these two technologies can only be called 2.5G, because they can not Support true 3G network