The Trimble Tornado™ external dual frequency antenna contains advanced technology for extremely low multipath, outstanding low elevation satellite tracking, and high phase center accuracy. Use the Tornado antenna together with a GeoXH™ handheld or GPS Pathfinder® ProXH™ receiver for high-accuracy mapping and GIS data collection.

The Tornado antenna can be mounted on a range pole, along with the GeoXH handheld or the ProXH receiver and field computer, to give you a convenient all-on-the pole solution.

The Trimble Tornado antenna's key features are:

• GPS L1/L2
• GLONASS L1/L2 and OmniSTAR capable (L-Band) when used with a GPS Pathfinder ProXRT receiver
• SBAS capable (WAAS/EGNOS/MSAS)
• TNC antenna cable connector

You must also order the appropriate antenna cable for use with the Tornado antenna; the antenna is not shipped with a cable, instead you can choose the required cable type and length: