Upgrade of the Long Range Bluetooth transmission up to 3,000 feet from a GeoMax Zoom90 robotic total station with the addition of an external antenna on a Champion HC1 handheld data collector. This upgrade requires the Champion HC1 to be modified internally in our office. Short range Bluetooth will still operate with the internal antenna, but the long range Bluetooth will require the external antenna after the upgrade. Note that the 3,000 ft. range exceeds the tracking distance of a 360 degree prism.
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