Re: Do these cellular amplifiers work for all cellphones?

David Woolley <[email protected]> Sun, 10 Apr 2022 13:59:39 +0100
Newsgroups misc.phone.mobile.iphone,alt.cellular
Organization No affiliation
Message-ID <[email protected]>
On 10/04/2022 08:00, gtr wrote:
>>
>> In this case, it is because they retransmit the signal in the vehicle.
> 
> Thank you for explaining that there is a retransmission inside the vehicle,
> where I've subsequently learned they have an effective radius of 2 meters.
> https://www.ubersignal.com/vehicle-signal-boosters.html

My answer was in the context of a question about reception.  The devices 
will also retransmit outside the vehicle, for the uplink, and the power 
will be much greater, and it might not be possible for them to decode 
the request from the base station to reduce power.