GPS Asset Tracker Devices These two-way radios offer communication up to the range of 28 miles and are even equipped with Caller ID, direct call, privacy codes, and call tones. They have up to 22 channels and will auto channel change so that your frequency is not disturbed by interference. Designed to handle the rugged outdoor elements, Uniden radios even come with a charging cradle and extra battery packs for a quick power-up.
