The ionosphere is the layer of atmosphere from 30 to 600 miles above the earth’s surface that assists in long distance radio communication.
Read moreWhat is the longest range radio?
1. Motorola T470 2-Way Radios . The T470 is a powerful option from Motorola; it boasts an up to a 35-mile range, and it has 22 channels and 121 privacy codes to more easily stay in touch with your party. The channels include FRS and GMRS.
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