Frequency 'sweet spot' helps signals travel in tunnels
02 June, 2008
Underground tunnels, usually a difficult environment for radios, can have a frequency 'sweet spot' at which signals may travel several times further than at other frequencies, according to researchers at the National Institute of Standards and Technology (NIST), in the US.
Where we could be going with radio
02 June, 2008
This look at what could happen in the future with radio services is taken from a presentation by Chris Chapman, ACMA chairman, when he addressed nearly 300 delegates at the RadComms conference in Melbourne.
Base station antenna
01 June, 2008 | Supplied by: Maser Technology Group
Ubidyne and Kathrein have teamed to develop an integrated broadband wireless base station antenna.
Wireless network protection
01 June, 2008 | Supplied by: Ingram Micro
3Com’s AirProtect wireless intrusion prevention system (WIPS) addresses security threats to corporate information from unsecured Wi-Fi networks.
Synthesiser series
01 June, 2008 | Supplied by: ASD Technology Pty Ltd
Miteq has introduced the SLFS synthesiser series that is a compact and economical solution for SATCOM and communication systems.
RFID automation
01 June, 2008 | Supplied by: Siemens Ltd
The latest version of the Simatic RF-Manager software for integrating RFID systems in business processes features a number of innovations.
GPRS alarm modem
01 June, 2008 | Supplied by: Weidmuller Pty Ltd
General packet radio service (GPRS) technology allows devices to communicate with one another without the need for extensive cabling. Weidmüller’s GPRS alarm module IE-GPRS-I/O monitors plant and installations, reporting deviations automatically or on request.
Single-stage RF filter
01 June, 2008 | Supplied by: Westek Electronics Pty Ltd
The Schaffner FN 9233-E RFI single-stage filter with IEC socket connector has an earth line choke to suppress RF earth currents.
Vehicle communication
01 June, 2008 | Supplied by: Dominion Electronics
The F210 is a rugged single Eurocard CompactPCI GSM/GPS/UART interface that needs only one slot on the CompactPCI bus.
Broadband antenna
01 June, 2008 | Supplied by: Westek Electronics Pty Ltd
The EMC Test Design omnifield antenna is a broadband active 3-axis (omni-directional) antenna for RF spectrum monitoring.
Tri-band antenna
01 June, 2008 | Supplied by: Radio Frequency Systems Pty Ltd
A triple-band base station antenna set that offers speed of deployment and flexibility has been unveiled by Radio Frequency Systems.
2.3 GHz marketing plan released
16 May, 2008
The Australian Communications and Media Authority has developed a draft marketing plan proposing a revised technical framework (or operating conditions) for spectrum licensees in the 2.3 GHz band.
Handheld range
05 May, 2008 | Supplied by: GME Pty Ltd
GME has announced the addition of three handheld radios to the 477 MHz range.
Temperature monitoring — for many years
01 May, 2008
One RF Technology has developed a low-power wireless temperature monitoring solution using ZigBee and offering many years of autonomous operating time with a standard lithium AA battery.
Wide-range astronomy antenna
30 April, 2008
A new antenna structure that works in a wide range of frequencies has been presented by researchers from Carlos III University of Madrid (UC3M) in collaboration with the National Astronomical Observatory in Spain.
