Earthmate GPS LT-20 by Delorme

The Earthmate GPS LT-20 GPS receiver and Street Atlas USA software can turn your laptop into a powerful GPS tracking device. The GPS LT-20 is a high-performance, easy to use link to the satellite navigation technology of the Global Positioning System (GPS). The Earthmate GPS LT-20, connected to a USB laptop PC, shows your real-time position on detailed Street Atlas USA maps anywhere in the U.S. & Canada, so you will always know where you are and where you need to go.

Create address-to-address routes in the U.S. (and major and secondary routes in Canada)

Calculate overnight stops and fuel stops, including fuel costs

Find more than 4 million places of interest located from your GPS position, including hotels, gas, food, lodging, banks/ATMs, schools, colleges, hospitals.

GPS track using the Show Turns window and see large arrows with your next two upcoming turns shown with large text

Select high-contrast map colors for improved in-vehicle visibility, helping to reduce in-vehicle glare

Listen to spoken directions calling out upcoming turns

Issue spoken commands (microphone recommended for best performance) and receive replies to common travel questions such as "How far to the next turn?"

Add and name new local roads to the maps and these new roads will be included in automatically generated routes

Use VIAs to select individual road segments to force the automatic routing to recalculate to your preferences

Automatically receive new route updates when you stray off course, selecting the distance off course you want to be before the software recalculates your directions

Add MapNotes, measure distances, and much much more

Access the GPS satellite system for no charge beyond the cost of the receiver