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Makinarg

Antenna on Dahua Doorbell DB10

Hello Everyone, 

I was wondering if you could give me some advice on how to modify the following device. It is a Dahua Doorbell DB10. The range of this doorbell is very limited, which creates a lot of latency problems due to the weak wifi connection. 

Perhaps it would have been better to get an antenna extension for the WIFI router, but since I cannot drill the wall to place the antenna facing outside, this was my last option. My idea is to get a cable to solder to the places the antenna was soldered and then connect it to the antenna of a broke router or perhaps build a directional antenna.

If you could be so gentle to inform me, what materials should I use to connect the device with the new antenna:

- Cable RG? LMR? what type?

Any type of information will be much apreciated. 
 

front.pngback.png

front desoldered.jpgI should weld a piece of the cable from one side to the other, and then from that same side to the antenna, correct?

 

 

antenna VLG-2.4G brokewdown.jpgHere i took apart the antenna that was inside the device.

Edited by Makinarg
modify text and arrange images

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It's a PIFA antenna (low gain)...Check continuity ...but i think cable (50ohms shorter you can) goes like this

5f714c7f94137_frontdesoldered.jpg.c2757e4d0fc1d166241bf1cbe9d605d3.jpg

Try with a DIPOLE

descarga.jpg

Edited by clanon

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Thank you Clanon, I just read in another post that it should be a RG-174 cable.

Now, onto welding the cable, I should weld the copper inner part to the left arrow and the mesh ( that would be ground, correct?) to the place where it is the right arrow. Did I understood it correctly?


Like in this case: 09.jpg
 

OR LIKE THIS ONE:
Yo6.jpg

 

right?

solder.png

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Thank you Clanon. I will do this project soon an post about it. Thank you for your help.

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GND would have continuity to any of those IC EMI  SHIELDS (aluminum tin  covering circuits) that's COAXIAL SHIELD (MESH) GND...just to be sure...

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