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Using the radio on channels 1-7 with low power settings will indeed conserve battery life but may reduce the transmission distance, it's a trade off between battery longevity and signal range, and it's useful when you're within a close range but want to keep the radios operating longer.
Sorry, there was a problem. Please try again later.Battery life is dependent on how often the radio is transmitting and power. Range is dependent on terrain.
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