Summary: I do like the large screen my laptop provides for navigation. the small screened navigators are a hazard to me. Other than having to deal with Garmin, their customer service is as bad as it comes, the product does what it is advertised. It locks on to the sats fast and acurately.
Summary: This is a compact unit that has very fast acquisition time. Easy mounting options, with the magnetic base, or the threaded insert. Easy to wire up and integrate into our application. Garmin did a nice job on this unit. The price is very reasonable.
Summary: The USB version of this GPS receiver is the usual high quality of a Garmin unit, but it does connect to a computer in an unexpected way, so be careful when buying this unit. Most "hockey puck" USB GPS receivers create a COM port on the computer, which makes them very compatible with mapping programs and other GPS software applications. The Garmin 18 USB creates a new DEVICE in the Windows Device Manager and does not generate a COM port for your use.
Summary: This is not a haldheld but for use in a car or other vehicle. Works perfectly. Drove all around in Florida using this. The fault with using a laptop as a navigational tool is that it is a fraction slower than the dedicated units so when the computer says 100 meters to next turn you have managed to drive a large part of that distance Baldur
Summary: Don't attempt to operate this system on your own while in motion! Everybody accepts the disclaimer at the opening of the application, but you simply can't be looking at the screen while the vehicle is in motion if you are driving!!! Other than that, it will get you where you want to go if your right seat passenger doesn't mind operating the laptop, on their lap while driving...