Long Range Coverage: With 8 frequency bands and 99 infra-acoustic frequency channels, the walkie talkies supports up to 3KM wireless talkback for sea area, and 1-2km for outdoor open ground. Long Range Coverage: With 8 frequency bands and 99 infra-acoustic frequency channels, the walkie talkies supports up to 3KM wireless talkback for sea area, and 1-2km for outdoor open ground.
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