[eufy cam] The big "Range Extenders we need!" Survey ;-)

#161

You are correct, I was not. I edit below.

If you want to improve the radio signal between two points:

  • block interference on same frequency from other paths. This is challenging as 2.4Ghz is a popular frequency.
  • focus the radio signal between two points. This is easy. The wavelength of this 2400Mhz is 6cm, so you’d want to make a shielding around both ends (homebase, camera) with a parabolic shape and a hole in line-of-sight 6cm in side. So make a dish shape about that 12cm, in a rough parabolic shape pointed between both ends. If the camera is in an awkward place and you cannot use the parabolic focus idea then at least shield it as much as possible from other sides noting the radio needs a hole at least 6cm diameter to get to the antenna.
  • Does the Homebase original have Ethernet to the router? I know the Homebase 2 does. If so then simply move the Homebase to be nearer to the camera with the worst signal. Then use Ethernet, or Powerline (Ethernet over home electrical wiring) between router and Homebase. Radio signals are to inverse square so double of signal strength comes from only a little nearer.

image

Those are two or three useful ideas. Try them.

#162

I’ve told you what the 900mhz is for, if you don’t want to listen that’s up to you
I’ll just leave this here (camera PCB)

IMG_20190721_191937
IMG_20190721_191937.jpg5120×2368 3.32 MB

Ps I’m the only one to have over 5x the range of the original system in the same environment by doing the mods above

Tbh I’m disappointed that a lv15 would criticise people for backing the company’s Kickstarter campaign & spread false facts about their products on their forum

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#163

OK as you challenged me, I scrolled up and reviewed.

So I was wrong on the 900Mhz being to camera, but it still does represent a source of interference.

So the frequency is 2.4Ghz. I see (yours predominantly) images on antennae, soldering, which is exactly what I was suggesting later down.

So we agree the workarounds are:

  • antennae (nullifying warranty)
  • shielding

?

Any other errors on my part?

I won’t retract the view that Kickstarter funding contains risk. Any business which is as big as Anker can find funding what it has confidence in. Kickstarter is a way to bypass business plans and pushes risk onto consumers. I remain of the view you buy today what you see today and its buyer’s risk to do anything else. If that is an error then explain that, and if I learn from you, that is the nature of forums and you educated me.

#164

Exactly! That hits the nail on the head! :+1:

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#165

Thats the antenna I created!

antenne
antenne.JPG4714×2981 548 KB

Not for these cameras, its for DAB+

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#166

I don’t think that (“real risk they can’t actually make it”) is why Anker did a Kickstarter. A lot of successful companies do Kickstarter because it helps them gauge market demand and pricing points. Of course, it is also a great sales & marketing tool. I think this is why Anker did a Kickstarter. Anker also did a Kickstarter for at least 2 of the Nebula projectors. I wouldn’t be surprised if Anker did more Kickstarters, even on power banks. Heck, they probably should have done one for the solar power bank.

Anyway, I did not read through this whole thread. I don’t care that much other than the fact that this Kickstarter led to Anker making eufyCam which in turn allowed them to make eufyCam 2 and 2C. I own both 2 & 2C, and I love them.

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#167

I dont have these devices talked about,. (cams).
I was answering @professor.
I dont know if you followed “the whole story” from the beginning.
Please do so , you will get much more insights. :grinning:

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#168

Looks really good. It is a dipole?

Why is not on a slightly taller stand? Ground absorbs.

#169

Design! its wood!

#170

Oh it’s wood. Impressed.

Enjoy your newly improved DAB reception.

#171

I don’t have only this one. :grinning:
DAB+, WIFI and Bluetooth in the same room.
sometimes it seems to me they dont like each other. :slightly_smiling_face: