Re: Do these cellular amplifiers work for all cellphones?

On Mon, 11 Apr 2022 at 17:06:12, Alan Browne <[email protected]>
wrote: (my responses usually follow points raised):
>> I doubt if anyone in the UK would be daft enough to buy one. Most newer 
>> vehicles here have a roof antenna and the phone uses bluetooth to bind 
>> to the car for handsfree operation using the vehicles external antenna.
> 
> Depends on the model options ("trim level").  Lower end optioned cars 
> tend to not use the car's antenna.  (ie: my car).
> 
> And a roof antenna has nothing to do with the issue of connecting to a 
> tower that is further away in a remote area - yes it's better than the 
> phone inside, but it's not better than these boosters.

How could new cars be sold in GB with cellular boosters as Martin Brown said
they were if those cellular boosters are illegal in GB in the first place?

>>> I called UberSignal who said they work fantastically for all carriers.
>>> https://www.ubersignal.com/vehicle-signal-boosters.html
>> 
>> Well they would, wouldn't they! What they don't say is that it also 
>> messes up phone reception for anyone else in your vicinity (and quite 
>> likely radiates sidebands into other protected frequency bands).
> 
> This is why the system still has to meet compliance.  US has its 
> standard, the UK its own.  Usually manufacturers know and publish what 
> countries they are compliant to.

If they messed up reception as much as Martin Brown said they do then how
could they be approved by the FCC and by all the cellular companies then?