This complete module is built upon the same technology as the ET-301, but includes on-board voltage regulation, LED status indicator, battery backed RAM, and a built-in patch antenna!
With the GPS Shield you can add GPS functionality to your Arduino.
This is a multi-band antenna covering the cellular, GPS, and WiFi frequency bands.
The PMB-688 GPS module provides high performance with a SiRFstarIII chipset and integrated patch antenna.
The uM-FPU V3.1 math coprocessor is a full featured standalone math engine that is capable of crunching even the toughest of mathematical equations.
The uM-FPU v3.1 is a floating point math coprocessor for your microcontroller. Send the data via SPI or I2C, and get an accurate result back without loading down your main micro!
A hand-held GPS that YOU build, and fulfills a different task - no map display, just a pointer for which way to go! Use the Coobro Geo to help you find geocaches, store and navigate between hot fishing spots, or simply find your car after a hike.