CNET product brief
Description: The Garmin GPSMAP 420S is a 12-channel, marine global positioning device.Compared to other maritime GPS receivers on the market, it is very inexpensive at around $430.
Pros: Made from ABS plastic material.This is sturdier than the average GPS receiver on the market today, but is to be expected for a GPS receiver of this price.Utilizes WAAS (Wide Area Augmentation System) technology to achieve an error margin of 3 meters or less.Tracklog function automatically creates a record of the path traveled and stores it as a series of points for later use.Uses a standard SD memory card to store routes and maps.Its removable memory allows for almost unlimited storage of routes and other data.Safe in all weather, this unit is waterproof.
Cons: None noted, given available product data.
Suitability: A marine GPS receiver, suited for water-based adventures.This GPS device offers special features and functions needed for boating and other marine activities.Rugged case design affords the durability needed in some settings.The man overboard (MOB) feature offers an extra measure of safety for boating and other marine activities.Has an internal antenna which is desirable for activities where an external antenna would get in the way.
Value: In view of its very inexpensive price, this GPS receiver has good features for the money.Also note this unit is able to store up to 1500 waypoints.This is significantly more than the average GPS device.
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