radio frequency

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Definition: radio frequency

See RF.



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  • 'Microring' wireless devices could nix wires in homes, offices

    Purdue University researchers have developed a system capable of converting ultra fast laser pulses into bursts of radio-frequency signals using "microring resonators." The technology could apply...

    Blog posts | March 7, 2010 10:06pm PST

  • Attackers could steal crypto keys from mobile devices

    Security researchers have discovered a way to steal cryptographic keys that are used to encrypt communications and authenticate users on mobile devices.

    News items | October 21, 2009 4:51am PDT

  • Photos: RFID robots

    Bots that use radio frequency to scare away intruders may become widely used in the future.

  • Photos: RFID traffic reducer

    In Stockholm, Sweden, drivers have been testing an IBM system of radio frequency transponders and roadside cameras.

  • Photos: RFID traffic reducer

    In Stockholm, Sweden, drivers have been testing an IBM system of radio frequency transponders and roadside cameras.

  • Photos: RFID robots

    Bots that use radio frequency to scare away intruders may become widely used in the future.

  • IBM and Sun Put Radio Frequency ID to Test On Their Own Turfs

    Vendors with RFID solutions are eagerly anticipating the day when they can publicly point to customer deployments. In the interim, IBM and Sun have released details of their internal RFID...

    News items | April 28, 2004 12:00am PDT

  • Next-Generation WLANs: Why the RF Matters

    Wireless local-area networks (WLANs) based on the IEEE 802.11 series of standards have emerged as one of the most exciting communication technologies currently available to enterprises. As the...

    News items | February 17, 2004 12:00am PST

  • The 802.11 Semiconductor Market Gets Tougher

    The 802.11 wireless technology market continues to boom, but the shakeout continues to escalate as smaller firms restructure or disappear while big ones muscle in — meanwhile, the technology bar...

    News items | June 5, 2003 12:00am PDT

  • IBM calls on micro-machines

    IBM has developed microscopic machines or MEMS that could be used to increase the performance and battery life of wireless devices such as cellular phones.

    News items | June 6, 2002 12:00am PDT

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