Compare Trimble handheld GPS, tablets and specialty mobile units

American Electric
Power

Trimble

	Handheld GPS	Tablets	Specialty

Electric Line Design Keys Accuracy of submeter or better Convenience	GeoXH 2008 Pros: Very convenient, high-accuracy (to 10cm), moderate cost, reliable Cons: Add external GPS antenna for difficult areas GeoXT 2008 Pros: Similar to GeoXH but less expensive Cons: But also less accurate (sub-meter) than GeoXH	Yuma w/ProXH Pros: Larger screen, flexible configurations Cons: Must add external GPS receiver for submeter GPS, “some assembly required”	NPR-362 Totalstation Pros: Flexible to work with any data collector, highest-accuracy (to 1cm) Cons: Special training needed, “some assembly required”

Inventory Keys Choose device based on accuracy requirements Weight and other logistics may come into play	GeoXH 2008 Pros: Very convenient, high-accuracy (to 10cm), moderate cost, reliable Cons: Small screen may be frustrating GeoXT 2008 Pros: Similar to GeoXH but less expensive Cons: But also less accurate (sub-meter) than GeoXH	Yuma w/ProXH Pros: Larger screen, flexible configurations Cons: Must add external GPS receiver for submeter GPS, “some assembly required”	Not Applicable

Inspection Keys Choose device based on accuracy requirements Weight and other logistics may come into play	GeoXH 2008 GeoXT 2008 GeoXM 2008 are appropriate, depending on GPS requirements. May also consider: Nomad 800GX or Recon	Yuma w/ProXH Pros: Larger screen, flexible configurations Cons: Must add external GPS receiver for submeter GPS, “some assembly required”	Not Applicable

Storm Assessment Keys Use existing mobile device, if available 3-5 meter accuracy is plenty	GeoXH 2008 GeoXT 2008 GeoXM 2008	Yuma or any Windows or Vista tablets will work.	May also consider Windows Mobile cell phones.

Vegetation Management	GeoXM 2008 Pros: Very convenient, modest-accuracy (3-5m), lower cost, reliable Cons: Small screen may be frustrating	Yuma Pros: Larger screen	Not Applicable