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License-free radio solution

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TRIMBLE Australia has introduced the GeoRadio 2.4 GHz for surveying applications using robotic total stations. The new radio solution allows for license-free use in most areas worldwide.

By using state-of-the-art spread spectrum technology, the compact, low-power GeoRadio 2.4 GHz reduces radio interference and resists jamming for superior performance on busy job sites, and by using the globally available 2.4GHz industrial, scientific and medical (ISM) devices band, the GeoRadio eliminates the need for licensing.

Rather than using a fixed channel, the radio's spread spectrum technology enables signals to 'hop' over a wide range of frequencies. The sending and receiving radios change frequencies in unison, creating reliable communications over a spread of frequencies and reducing the vulnerability to interference, jamming and multipath fading.

The Trimble GeoRadio 2.4 GHz uses the frequency range 2401 to 2470 MHz.

The 100mW GeoRadio 2.4 GHz system also provides a long-range radio link that reaches up to 1200 metres. Users can measure more points without moving the total station, increasing efficiency and productivity on the job site.

Easy to use and versatile in functionality, the GeoRadio 2.4GHz radio is controlled by the user's choice of field software, whether it's the Trimble Survey controller, Trimble Survey Pro or Geodimeter CU software.

The user can even switch the radio on and off through the software. The integrated solution can also be used with the Trimble ACU, TSCe and TDS Recon controllers.

The GeoRadio 2.4GHz is fully compatible with the Trimble 5600 Total Station Series and the Geodimeter 600 series and will be offered as an upgrade for existing users.

The GeoRadio 2.4GHz is expected to be available mid-June of 2004 through Trimble's Geomatics and Engineering distribution network.

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