Equipment Type

Topcon

Global Navigation Satellite System (GNSS) receivers that are part of the Topcon GR-3 product family are now available with an internal Code Division Multiple Access (CDMA) cellular modem option.

January 01, 2008

Global Navigation Satellite System (GNSS) receivers that are part of the Topcon GR-3 product family are now available with an internal Code Division Multiple Access (CDMA) cellular modem option. This allows the use of signals from two major cell phone providers - Verizon and Sprint. The new receiver kits are available with both single- and dual-mode UHF receivers. In 2006, Topcon introduced the fully integrated GR-3 system, including receiver, batteries, antenna and communications.

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