The Pocket GPS receiver, weighing 5 oz., is real-time differential ready, comes with a removable battery and contains a magnetic-based antenna.
Trimble: Pocket GPS Receiver
April 30, 2001
Trimble, Sunnyvale, Calif., released a personal, pocket-sized Global Positioning System (GPS) receiver, The GPS Pathfinder Pocket receiver. It is designed to work with a number of handheld devices including pen-based or laptop computers, Pocket PCs and Palm devices.