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Installing signal booster in model 3

Baymax123

Member
Aug 26, 2020
31
7
Arlington
Has anyone installed a lte signal booster in model 3 yet? I live in a condo and parked underground parking garage with no outlet for charging and no signal at all. I can't see my vehicle status like temperature and SoC. So I start thinking that install a lte signal booster might help to receive signal? Has anyone did that yet?
 

Brock-WI

Member
Aug 4, 2020
60
35
Green Bay, WI

LionXng

Member
Mar 4, 2020
239
338
Virginia
The problem is the same for wifi or LTE. In the underground parking you cannot plug anything in because you don't have an outlet and you can't amp up a signal that is at zero anyway. So nothing there will work.

That leaves something between the 5th floor and the underground parking. Best case would be someone friendly on the first floor.
You could pay for their wifi password (check signal strength from your car first); or pay to repeat your own wifi from an outlet in their condo. But that is too complicated and won't work in a presumably wifi saturated condo building, every condo will have wifi and you won't be able to cut through the floors with all their signals; or boost LTE from there which probably won't work but you won't know until you set it up.
 

Ecoli

Member
Aug 6, 2019
480
136
New Zealand
have you considered a powerline network

You can extend your LAN via the mains cable they normally come pre-configured in pairs
You can add more if you wish.

Basically connect one to your router and nearest power outlet
plug in the second powerline adapter at convenient power outlet, connect a wireless AP to the second powerline adapter.

Power outlets you're using would need to be on the same phase if you can't get a connection between the powerline adapters try moving to another power outlet or if you have access to the electrical cabinets you should be able to find out
which Phase they are on

No dodgy WiFi extenders required, it's practically the same as having a network cable between the two points

Powerline networking: what you need to know | TechRadar
 

Baymax123

Member
Aug 26, 2020
31
7
Arlington
I think it would be much easier to get a wifi repeater and try to get that down there. True LTE extenders are very expensive and require an outside antenna and then an internal antenna. Harder to run and a lot more expensive than extending wifi for sure. This past summer using 2 of these I jumped wifi over 1000 feet, but that was outside.

https://www.amazon.com/gp/product/B01D6JEMXC/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
Hi thank you for your idea, well I see had wifi jumped over 1000feet. That's awosome, but I assume that's horizontal 1000feet. I need to get 5 flooer down to underground level 2. Most of the wifi extender can do horizontal 1000feet but can even do vertical 100feet. Assume I can find some wifi extender that can do vertical at 1000feet or more, I need pass through each concrete of 7 floors(5+2underground). If I assume I can find a super wifi extender that can pass through 7 floors of concrete and extent vertically enough for 7 floor. I need a place to plug it in. There is no outlet in hallway or anywhere, even they have it, I can't use it whole day.
 

Baymax123

Member
Aug 26, 2020
31
7
Arlington
The problem is the same for wifi or LTE. In the underground parking you cannot plug anything in because you don't have an outlet and you can't amp up a signal that is at zero anyway. So nothing there will work.

That leaves something between the 5th floor and the underground parking. Best case would be someone friendly on the first floor.
You could pay for their wifi password (check signal strength from your car first); or pay to repeat your own wifi from an outlet in their condo. But that is too complicated and won't work in a presumably wifi saturated condo building, every condo will have wifi and you won't be able to cut through the floors with all their signals; or boost LTE from there which probably won't work but you won't know until you set it up.
Thank you for your idea, I am not good at signal boost. So you are saying, if I got no service, I can't use a signal booster to make it work? to use signal booster at least need to have some signal?
 

Baymax123

Member
Aug 26, 2020
31
7
Arlington
have you considered a powerline network

You can extend your LAN via the mains cable they normally come pre-configured in pairs
You can add more if you wish.

Basically connect one to your router and nearest power outlet
plug in the second powerline adapter at convenient power outlet, connect a wireless AP to the second powerline adapter.

Power outlets you're using would need to be on the same phase if you can't get a connection between the powerline adapters try moving to another power outlet or if you have access to the electrical cabinets you should be able to find out
which Phase they are on

No dodgy WiFi extenders required, it's practically the same as having a network cable between the two points

Powerline networking: what you need to know | TechRadar
That's a good idea. I have used the powerline before at my home back to China. The thing is I think that can only plug into the outlet in same electrical network for example, my unit and outside of my unit is different electrical network. Also even though the whole building is in same electrical network, I don't have a outlet in my parking garage or anywhere in the hallway
 

ElRey

Member
Aug 6, 2020
235
72
London
Hi thank you for your idea, well I see had wifi jumped over 1000feet. That's awosome, but I assume that's horizontal 1000feet. I need to get 5 flooer down to underground level 2. Most of the wifi extender can do horizontal 1000feet but can even do vertical 100feet. Assume I can find some wifi extender that can do vertical at 1000feet or more, I need pass through each concrete of 7 floors(5+2underground). If I assume I can find a super wifi extender that can pass through 7 floors of concrete and extent vertically enough for 7 floor. I need a place to plug it in. There is no outlet in hallway or anywhere, even they have it, I can't use it whole day.


Seems like you know ultimately it's near impossible or at least would involve more than you're able to undertake.

I'm in a similar situation to you but here is what worked. It may work for you as well. Go around your parking structure with your phone. Usually close to the walls, air vents etc and see which spots you can receive reception from if any. When you find one, try making a call to see if you can.

Then see if the owner of that spot is happy to trade spots with you. You should be able to then use the cars LTE or get a mifi for the car from that spot.

Otherwise parking structures are built with reinforced concrete so good luck trying to boost WiFi down there. If you do get it done please do share as I'm sure there are quite a few of us in similar situations.
 

Sam1

Member
Sep 11, 2019
953
866
NV
You mean a microcell? I use one of those hooked to the router in my house because I'm in a Verizon dead spot. But, that thing only has enough power to cover probably 1/4 of an acre. They are free from VZW, so I would guess that AT&T does the same program, but I don't think it's going to be transmitting through multiple floors of concrete.

If you mean an antenna amplifier on the car, you'll spend north of $1k just to get someone to try to retrofit something on it, easily. With no guarantee of it working.
 

JPWhite

Member
Jun 2, 2012
170
161
Hendersonville TN
I am sorry, no wifi underground and I live in floor 5, even though the first floor can't have their wifi reach underground level 2

If you have line of sight from your window to the parking garage below a point to point WiFi extender may work. Ubiquiti make gear that can transmit over large air gaps. Any solution (WiFi or LTE) will require power somewhere in the parking garage structure. Without a power source you are sol.

Something like this might do the job
UniFi Building-to-Building Bridge

Judging by your questions I'd guess the installation and setup of this is beyond you technical expertise and you'd need to get help. Plus if you are going to install equipment on the parking garage structure you'd need to get the property managers buy-in, kinda like dealing with "Cynthia" at an HOA. Good luck.
 
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