The sole manufacturer with independent intellectual property rights of four-quadrant high voltage variable frequency technology.

荣信公司是国内最早对四象限中压变频技术有自主知识产权并掌握核心技术厂家。

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This paper introduces the characteristics of hopping frequency technology and the utilization of baseband and RF hopping frequency technology.

文中阐述了跳频技术的特点及基带和射频跳频技术的具体使用方法。

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The paper introduces the principle of frequency converter, frequency project of base water-feeding system and the selection of frequency technology.

介绍变频器工作原理、基地供水系统变频项目以及变频工艺的选择。

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The company has been selling a new kind of anticheat chip, embedded with radio-frequency identification technology.

FORBES: Doubling Down

Gaming Partners has also been selling older casinos a new kind of anticheat chip, embedded with radio-frequency identification technology.

FORBES: Magazine Article

TfL also operates the Oyster smartcard scheme which uses an earlier RFID (radio-frequency identification) technology.

BBC: London buses to offer NFC contactless card payments