Collectors and retro-tech fans still use the MAP 330 for geocaching because of its reliability and simple interface. However, modern users face a few hurdles: WILM's - World Radio History
The MAP 330 was designed for rugged outdoor use, whether you were geocaching or navigating a marine vessel.
Before smartphones were in every pocket, the MAP 330 was a high-tech marvel. It was the first handheld in its class to offer . While that sounds tiny today, it allowed users to store detailed street-level maps, national parks, and waterways on a device that fit in a shirt pocket. Key Specifications & Features
One of the first to feature WAAS technology , providing accuracy within 3 meters (roughly 10 feet).