GPS Information:

- Receiver: Differntial-ready 13 parallel channel receiver tracks and uses up to 12 satellites to compute and update position/time

- Update rate: 1 second, continuous

- Antenna: built-in

- Size: 2.22" x 3.79" x 1.05"

- Weight: 3.88 oz.

- Operating evironment: -30 degrees Celsius to +85 degrees Celsius