Radio Systems

HF radio bridges the gap between peacekeepers and NGOs

11 December, 2003 by Rod Macduff

Peacekeepers and NGOs are confronted with many similar communications problems when they find themselves in trouble spots where public order has broken down

Moving radio into the digital age

11 December, 2003 | Supplied by: DSTO (Defence Science and Technology Organisation)

A breakthrough discovery by DSTO scientists will have a significant impact on future technology in many areas of sensing and communications, bringing the potential for dramatically improved wideband RF surveillance

Wireless technology may help doctors treat patients

19 November, 2003

Wireless technology may put doctors who don't rely on desktop computers and paper charts in a better position to treat their patients.

Remote control and monitoring

05 November, 2003 | Supplied by: Miles Electronics

CMACS is a control and monitoring unit designed to measure remote site conditions and alert personnel by mobile phone SMS message if an alarm condition occurs. The site monitor may then be interrogated remotely by supervisory software for real-time measurement information or to take corrective action by activating digital outputs.

Improving performance of wireless communications

05 November, 2003

Researchers at the University of Missouri-Rolla (UMR) in the US and Motorola's Advanced Technology Center are developing three-dimensional switches and tiny fuel cells to improve the reception quality and extend the operating time for wireless communications and other wireless sensing devices.

Bluetooth access point

05 November, 2003 | Supplied by: Belkin Components

Belkin has released its Bluetooth access point with USB print server. It is suitable for small office/home office (SOHO) and mobile road warriors with devices enabled with Bluetooth technology needing to connect to networks as well as printers.

Tiny nanotube antennas may yield better signals

08 January, 2003

In the future, mobile phone calls and television pictures could become a lot clearer thanks to tiny antennas thousands of times smaller than the width of a human hair. At least that's the speculation of a University of Southern California researcher who has been investigating nanotube transistors.

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