The Sectera smart phones can operate on both Global System for Mobile Communications and Code Division Multiple Access commercial cellular networks.

该Sectera智能手机可以运行全球移动通信系统和CD MA商用蜂窝网络。

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In 1993, NTT DoCoMo, Japan's principal mobile-phone carrier, opted for a technical standard called Personal Digital Cellular (PDC), which was incompatible with the Global System for Mobile Communications (GSM), the standard adopted by most of the rest of the world.

CNN: ASIANOW - TIME Asia | Phone Wars: Episode 3G