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Groups > sci.electronics.misc > #4992

Re: phone antennas

Newsgroups sci.electronics.misc
Date 2021-09-01 10:38 -0700
References <89158d39-86d6-447e-83bd-d4f8c12e93fan@googlegroups.com>
Message-ID <0e2d0672-91ef-47d9-8caa-f8d5bb2cc63an@googlegroups.com> (permalink)
Subject Re: phone antennas
From tlbs101 <thomas.pounds101@gmail.com>

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On Tuesday, August 17, 2021 at 5:43:23 PM UTC-6, Rich D wrote:
> Do cell phones contain a separate antenna each for 
> phone network, Wi-fi and Bluetooth? 
> 
> Also, does Bluetooth include any security? Like, 
> if a user is listening to his music through a Bluetooth link, 
> can I pick it up, with my earphones? Or, more 
> problematically, when he makes a purchase with Apple Pay? 
> 
> -- 
> Rich
Each transceiver has its own separate antenna.
Bluetooth5 allows for multiple connections from a single master.  You can't eavesdrop -- the Bluetooth5 equipped smart phone must make the Bluetooth connection to both devices. 

- Tom P.

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phone antennas Rich D <rdelaney2001@gmail.com> - 2021-08-17 16:43 -0700
  Re: phone antennas tlbs101 <thomas.pounds101@gmail.com> - 2021-09-01 10:38 -0700

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