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You are using an out of date browser. It may not display this or other websites correctly.You should upgrade or use an alternative browser. 2.4 vs 5.8 ghz
  • Thread starter Thread starter Matriculated01
  • Start date Start date Dec 18, 2019
M

Matriculated01

Well-Known Member
Joined Dec 12, 2019 Messages 92 Reactions 126 Location Texas What’s the difference between 2.4 and 5.8 ghz. Can someone list some pros and cons? Why would I switch to 5.8, under what circumstances? old man mavic

old man mavic

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Premium Pilot Joined Nov 15, 2018 Messages 16,051 Reactions 59,699 Age 78 Location Llanbradach South Wales UK
Matriculated01 said: What’s the difference between 2.4 and 5.8 ghz. Can someone list some pros and cons? Why would I switch to 5.8, under what circumstances? Click to expand...
in the US the MM only uses the 5.8 Ghz band it would seem Toggle signature Air 3s Mini 4 Pro Neo ham radio operator MW7MMN Fly safe Fly responsibly Fly happy
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WithTheBirds

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Joined Sep 2, 2018 Messages 2,560 Reactions 1,601 5.8Ghz can be useful if you are flying where the 2.4Ghz band is congested/has more interference. 2.4Ghz will potentially give greater range (for the same transmission power) as 5.8Ghz is subject to higher attenuation losses.
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Matriculated01

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Joined Dec 12, 2019 Messages 92 Reactions 126 Location Texas
old man mavic said: in the US the MM only uses the 5.8 Ghz band it would seem Click to expand...
Huh, you are correct. Just checked a little while ago, and it’s 5.8 with no option to change. So - less interference and less range than 2.4 from what I gather. W

WithTheBirds

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Joined Sep 2, 2018 Messages 2,560 Reactions 1,601
Matriculated01 said: Huh, you are correct. Just checked a little while ago, and it’s 5.8 with no option to change. So - less interference and less range than 2.4 from what I gather. Click to expand...
No- you haven’t done enough gathering to get the full picture. You might not have the option of 2.4Ghz however you have 5.8Ghz @30dbm (compared to 14DBm in the CE version). The increase in EIRP will more than counteract the additional atmospheric attenuation (over 2.4Ghz version).
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Matriculated01

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Joined Dec 12, 2019 Messages 92 Reactions 126 Location Texas
WithTheBirds said: No- you haven’t done enough gathering to get the full picture. You might not have the option of 2.4Ghz however you have 5.8Ghz @30dbm (compared to 14DBm in the CE version). The increase in EIRP will more than counteract the additional atmospheric attenuation (over 2.4Ghz version). Click to expand...
Ok, I had to google EIRP and atmospheric attenuation but I think I get what you’re saying. Basically not necessarily “less range” just because it’s 5.8 I believe. Just one question - I looked up the measurement unit “DBm” and it appears that the larger the number the weaker the wi-fi signal (see ataached pic). So how would a DBm if 30 be better than 14? Or am I getting something wrong there?722DE370-5AAF-4B0F-BE73-A84BC3A3D846.png W

WithTheBirds

Well-Known Member
Joined Sep 2, 2018 Messages 2,560 Reactions 1,601 You are looking at the received signal strength (not TX power). The bigger the number the weaker the signal. It is a negative number obviously as it is referencing to what extent it is below the theoretical maximum. The FCC version of the mini only operates in 5.8Ghz and has the greatest range of any of the available variants. There is nothing you can to to increase power other than installing external linear amplifiers and or high gain antennae.
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Gilbertlopez1

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Joined Jul 19, 2019 Messages 77 Reactions 56
Matriculated01 said: What’s the difference between 2.4 and 5.8 ghz. Can someone list some pros and cons? Why would I switch to 5.8, under what circumstances? Click to expand...
2.4 Is ForLong Range Without Obstacles, 5.8 Is Is Better Around Obstacles Short Range. It Doesn’t Matter Which One You Set Your Mavic On, I Have Both Mavic’s 2 Pro, And Zoom. It Will Switch Back And Forth On Its Own For Best Reception. No Matter What You Set It On. That’s Actually The Best, The Mavic Knows Which Frequency Is Best At A Certain Time, Pretty Smart Little Crafts...
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old man mavic

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Premium Pilot Joined Nov 15, 2018 Messages 16,051 Reactions 59,699 Age 78 Location Llanbradach South Wales UK
Gilbertlopez1 said: 2.4 Is ForLong Range Without Obstacles, 5.8 Is Is Better Around Obstacles Short Range. It Doesn’t Matter Which One You Set Your Mavic On, I Have Both Mavic’s 2 Pro, And Zoom. It Will Switch Back And Forth On Its Own For Best Reception. No Matter What You Set It On. That’s Actually The Best, The Mavic Knows Which Frequency Is Best At A Certain Time, Pretty Smart Little Crafts... Click to expand...
you are correct in respect of all mavics up to, but not including the MM, it is 5.8 GH only in the US Toggle signature Air 3s Mini 4 Pro Neo ham radio operator MW7MMN Fly safe Fly responsibly Fly happy
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WooZie

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Joined Nov 16, 2019 Messages 403 Reactions 239 Location Europe
old man mavic said: it is 5.8 GH only in the US Click to expand...
I also have 5.8 in EU and i believe you have too, but only if you change it manually
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old man mavic

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Premium Pilot Joined Nov 15, 2018 Messages 16,051 Reactions 59,699 Age 78 Location Llanbradach South Wales UK
WooZie said: I also have 5.8 in EU and i believe you have too, but only if you change it manually Click to expand...
yes the MIC/ CE version has both but in the US version does not Toggle signature Air 3s Mini 4 Pro Neo ham radio operator MW7MMN Fly safe Fly responsibly Fly happy
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WithTheBirds

Well-Known Member
Joined Sep 2, 2018 Messages 2,560 Reactions 1,601
Gilbertlopez1 said: 2.4 Is ForLong Range Without Obstacles, 5.8 Is Is Better Around Obstacles Short Range. It Doesn’t Matter Which One You Set Your Mavic On, I Have Both Mavic’s 2 Pro, And Zoom. It Will Switch Back And Forth On Its Own For Best Reception. No Matter What You Set It On. That’s Actually The Best, The Mavic Knows Which Frequency Is Best At A Certain Time, Pretty Smart Little Crafts... Click to expand...
5.8 isn't better around obstacles. It is better when the 2.4ghz band is congested and dirty.
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milovan

Active Member
Joined Nov 18, 2019 Messages 26 Reactions 13 Location Singapore
Gilbertlopez1 said: 2.4 Is ForLong Range Without Obstacles, 5.8 Is Is Better Around Obstacles Short Range. It Doesn’t Matter Which One You Set Your Mavic On, I Have Both Mavic’s 2 Pro, And Zoom. It Will Switch Back And Forth On Its Own For Best Reception. No Matter What You Set It On. That’s Actually The Best, The Mavic Knows Which Frequency Is Best At A Certain Time, Pretty Smart Little Crafts... Click to expand...
God this gives me eyesore. Post reply

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