Quadcopter Range Hack

About: I have a background in telecommunication and digital electronics, and am very interested in computers and photography.

The default control range of the Syma X5C drone is only 30 meter, adding a true 2.4ghz antenna you can double this range.

Step 1: Find a 3db - 5db 2.4 Ghz WIFI Antenna

You can buy one, or remove from an old WIFI device.

Lucky for me, I found a bricked WIFI access point.

I removed the antenna from it.

Step 2: Open the Syma Transmiiter

This is a very easy step, don't forget to unsolder the power wires.

Remove the original antenna (that 2cm wire).

Solder the new WIFI antenna in the Syma X5C transmitter.

Step 3: Reasamble the Transmitter

After you checked everything, you can solder back the power wires and reassemble the transmitter.

The new transmitter looks good with the new antenna, and also has a better control range.

You can read more about this instractables here: Syma X5C Hack

8 People Made This Project!

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78 Discussions

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TeodorH3

11 months ago

Hey there, is there any way to drive the quadc with any kind of wi-fi module and arduino, instead of its remote?

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robbymcgee

1 year ago

When i click on your link that is at the end of your instructable that says read more, it takes me to an adult site.

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robbymcgee

1 year ago

Hi. I ordered a 5 db antenna off of banggood.com it is longer than the one you used. Does this matter?

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DeanN10

1 year ago

Hi everyone,

So I am performing the antenna mod on an HS200. I am able to easily identify the antenna however I am not sure of the solder point on the board for the ground. Is it recommended at all to ground directly to the negative battery terminal ?

Any advise would be greatly appreciated. Here is a pic link: http://bit.ly/2kRqSB1

Best Regards,

Dean

1 reply
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CherrymanDeanN10

Reply 1 year ago

I had the same problem. I indeed made an extention wire to the ground entrance of the battery on the circuit board. Now idear if that is "allowed" but it seems to work well.

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AmirA132

1 year ago

i have tried this mod on syma x5sw .. but seems doesn't work :( when i
turn it on, the only thing happen is the LED lights up, but not
blinking like searching.. and no beep sound, also LCD is gone too ...
please help if you have any idea

1 reply
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CherrymanAmirA132

Reply 1 year ago

I think your signal wire is touching the ground.

1. Check all connections.

2. Check actual lenght of unschielded part in antenna.

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PaulF231

1 year ago

hey guys,will a 2dbi antenna work?

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Jekkelock

1 year ago

some mods can make it 300 meters and some other add 1500 but i prefere to keep it safe and make this mod because i think that more range makes it more uncontrolabe

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teeman9266.

2 years ago

This mod didnt really change much range wise, it made it worse/better in some parts

1 reply
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TaterMayteeman9266.

Reply 1 year ago

Same here. I also had an old WiFi router laying around whose life was taken in vain. Also wasted about an hour of my time.

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Dalefansa

2 years ago

Hi I have opened up my remote but it doesn't have the second pad to soldier the negative to is there somewhere else I can solder it

1 reply
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teeman9266.Dalefansa

Reply 2 years ago

You can try soldering where the wire leading from the negative port from the battery

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JerryK49

2 years ago

Hey guys not to be rude please dont take it this way because i see a lot of real nice hack's/jobs but the reason recwap said to use a 2.4 ghz antenna is they work but usinging a specific length and if you just use coax cabel you can pick up undesirable frequencies and your quad could end up following someone else , my father is a professional radio operator and makes his own antenna's and has been teaching me for years so please becareful doing these mods , you cal buy these Antenna's at goodwill real cheap. Be safe and have fun.

1 reply
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DondiP

2 years ago

hi there,how long the coax cable do i need to replace the stock one ?do i have to cut the same length as the stock one then screw on the antenna or it measure with the length of the antenna ? coz i got this pigtail to male SMA cable about 20cm long.. and 5db antenna from unused router

thanks

3 replies
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ChhuangaCDondiP

Reply 2 years ago

the cable length does not matter. just make sure you expose the inner wire, from the shield, the right length at the end. dont cut off the inner wire cover.

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ChhuangaCDondiP

Reply 2 years ago

oh edit... i mean... if its a connector then forget obout exposing i said earlier. its just that the length does not matter

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peymans5

2 years ago

Hello
Lights quad copters (x5sw) After clarification (Turn it on), the remains blink and as a result, is not connected with the radio control. In your opinion, what is the problem??? It is unpleasant for me and I have decided not to buy Syma Products the company.