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2. AN/PRC-153 - Wikipedia

   en.wikipedia.org/wiki/AN/PRC-153

   The USMC ordered 60,000 radios to be used until replaced by the more complex Joint Tactical Radio System (JTRS) cluster 5 spiral 2 radio in 2013. [2] However, JTRS was cancelled in October 2011, [3] and thus the PRC-153 continues to serve. The IISR is a Motorola XTS 2500i [4] with embedded encryption module to provide secure voice communications.

3. Electronic gear-shifting system - Wikipedia

   en.wikipedia.org/.../Electronic_gear-shifting_system

   A wireless system that can be retrofitted onto any bicycle was announced in 2016. [12] The front and rear derailleurs remain in place, while a wireless gear-change controller is added to the handlebar, with configuration of the system via an iOS/Android app, and customization can be added to the button controllers via the Bluetooth app. [13]

4. Land mobile radio system - Wikipedia

   en.wikipedia.org/wiki/Land_mobile_radio_system

   A land mobile radio system (LMRS) is a person-to-person voice communication system consisting of two-way radio transceivers (an audio transmitter and receiver in one unit) which can be stationary (base station units), mobile (installed in vehicles), or portable (handheld transceivers e.g. "walkie-talkies").

5. Real-time locating system - Wikipedia

   en.wikipedia.org/wiki/Real-time_locating_system

   There is a wide variety of systems concepts and designs to provide real-time locating. [7] Active radio frequency identification (Active RFID) Active radio frequency identification - infrared hybrid (Active RFID-IR) Infrared (IR) Optical locating [8] [9] Low-frequency signpost identification; Semi-active radio frequency identification (semi ...

6. A woman bypassed multiple security checkpoints to get on a ...

   www.aol.com/woman-bypassed-multiple-security...

   Investigators are trying to determine how a woman got past multiple security checkpoints this week at New York’s JFK International Airport and boarded a plane to Paris, apparently hiding in the ...

7. Walkie-talkie - Wikipedia

   en.wikipedia.org/wiki/Walkie-talkie

   Walkie-talkies are widely used in any setting where portable radio communications are necessary, including business, public safety, military, outdoor recreation, and the like, and devices are available at numerous price points from inexpensive analog units sold as toys up to ruggedized (i.e. waterproof or intrinsically safe) analog and digital ...