The Bluetooth Special Interest Group (SIG) is the body that oversees the development of Bluetooth standards and the licensing of the Bluetooth technologies and trademarks to manufacturers.

蓝牙特别兴趣小组(SIG)是一个监管蓝牙标准和蓝牙技术和商标的团体。

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The Bluetooth SDP(Service Discovery Protocol) according to SIG specification, is designed for motion enviroment, and has no definition of carrying out service calling.

SIG规范中的蓝牙服务发现协议是针对运动环境的，对服务调用的实现也未做出规定。

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Remember that so-called XT502 "Greco" from Motorola that the Bluetooth SIG slipped a few details on last month?

ENGADGET: Motorola Quench (and CLIQ?) XT3 / XT5 get an FCC reveal

First of all, the name "Ti" and model number "RM-828V" are spotted across Bluetooth SIG, GLBenchmark and telecom regulator databases in Singapore and Macau.

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