The TETRA crypto provides users with the freedom to choose a terminalbased on their own specific needs while safeguarding the ability to communicate securely with all other users.
TETRA的加密功能为用户提供自由选择具体需要的终端，同时保障与所有其他用户的安全通信能力。
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Terminalbased on TETRA digital trunking mobile communication system could send and receive status and short data service message, and achieve navigation and location through short data service.
The paper introduces the design and implementation approach of smart home network terminalbased monolithic processor chip, and it accomplishes a remote smart home system through PSTN and Internet.