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Rifles, Reloading, Optics, Equipment
Equipment Discussions
New long range walkie-talkies ?
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<blockquote data-quote="jmden" data-source="post: 252232" data-attributes="member: 1742"><p>From my experience with handheld and mobile radios on the job and handheld Marine VHF's and FRS/GMRS radios, the more wattage to tx, the further the signal will reach. </p><p> </p><p>I've got one 5 watt Marine VHF (these don't require licensing in the US and the new Garmin Rhino 500 series transmits at 5 watts as well and they must have a variance for that unit/freqs as well) that is 1 watt low tx and 5 watts high tx power and another that the high tx power is 6 watts on. Will the 6 watts reach much further than the 5 watt version? Very unlikely. </p><p> </p><p>From what I've been able to determine, to have a significant increase in tx distance, the wattage output needs to be doubled. My understanding of 5 watt tx power handheld VHF's is that you might expect a 10 miles line of sight (not trees or anything in the way) tx power. If you get more than than, you're lucky. </p><p> </p><p>25 miles on a handheld? That would be impressive, but possible. But I sure wouldn't count on it unless there some super duper battery and tx capability that is way beyond the 'norm' of 5 watts for a VHF handheld.</p><p> </p><p>I was once on northern Vancouver Island on the Brooks Peninsula on the west coast of the island and thought I'd give my Verizon digital/analog phone (typically tx at 3 watts if I recall correctly) a shot knowing there weren't any towers for well over 100 miles. Somehow, I got through to my wife at home. The bill indicated that I had connected to a tower down in Oregon--probably at least 300-400 miles south. I asked a Verizon tech about what happened and they couldn't explain it. Go figure.</p></blockquote><p></p>
[QUOTE="jmden, post: 252232, member: 1742"] From my experience with handheld and mobile radios on the job and handheld Marine VHF's and FRS/GMRS radios, the more wattage to tx, the further the signal will reach. I've got one 5 watt Marine VHF (these don't require licensing in the US and the new Garmin Rhino 500 series transmits at 5 watts as well and they must have a variance for that unit/freqs as well) that is 1 watt low tx and 5 watts high tx power and another that the high tx power is 6 watts on. Will the 6 watts reach much further than the 5 watt version? Very unlikely. From what I've been able to determine, to have a significant increase in tx distance, the wattage output needs to be doubled. My understanding of 5 watt tx power handheld VHF's is that you might expect a 10 miles line of sight (not trees or anything in the way) tx power. If you get more than than, you're lucky. 25 miles on a handheld? That would be impressive, but possible. But I sure wouldn't count on it unless there some super duper battery and tx capability that is way beyond the 'norm' of 5 watts for a VHF handheld. I was once on northern Vancouver Island on the Brooks Peninsula on the west coast of the island and thought I'd give my Verizon digital/analog phone (typically tx at 3 watts if I recall correctly) a shot knowing there weren't any towers for well over 100 miles. Somehow, I got through to my wife at home. The bill indicated that I had connected to a tower down in Oregon--probably at least 300-400 miles south. I asked a Verizon tech about what happened and they couldn't explain it. Go figure. [/QUOTE]
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New long range walkie-talkies ?
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