[aprssig] Bluetooth RS232 adapters to run a TNC?

Scott Miller scott at opentrac.org
Thu Sep 15 10:56:25 CDT 2016


The lack of an access point isn't the problem - the WiFi modules I'm 
using will act as their own AP.  The problem is mobile devices not being 
able to readily connect to both the isolated WiFi capable device and to 
another AP providing Internet service.  If the other AP is always there, 
you can connect the WiFi device through the AP. If you've got a tracker 
in your car that's providing WiFi-based messaging, though, you could 
have trouble pulling in to your driveway and using that and your home 
WiFi at the same time.

Scott
N1VG

On 9/15/2016 1:08 AM, Dave B wrote:
> How about re-purposing an otherwise redundant WiFi capable
> DSL/cable/whatever router?
>
> OK, so it wouldn’t get an "outside" connection, but all it's abilities
> as a WiFi access point, DHCP etc will be there, and if you *Disable* the
> feature that prevents WiFi connected clients from seeing each other, you
> can then get all your WiFi gadgets talking to each other just fine.
>
> Many such older "blue box" routers even run from 12V DC by design.
> Thinking of the hoards of old WRT type things that are hiding in various
> dusty corners...   Many can be flashed with alternative firmware too,
> making them even more useful.  I run one with the Tomato firmware,
> configured as a cable<>WiFi bridge.  Works very well.
>
> 73
>
> Dave G0WBX.
>
> ~~~~~
>
> WiFi definitely has its challenges there.  WiFi Direct doesn't seem to
> be widely used yet.  Multiple WiFi connections isn't well-supported.
> Infrastructure mode is easier, where you have an existing AP.
>
> Scott
> N1VG
>
>
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