Low-power GSM modem

Just trying to update myself on available standalone GSM modems with a
serial port (ie not ones that plug directly into a laptop but ones
that are freestanding and can connect to any suitable RS232 serial
device - though USB might also be of interest if available.)

Of particular interest are any specially designed with low power
consumption so as to be suitable for mounting at a remote site with no
mains power and only very limited solar/battery power available.

Anyone have any info/recommendations on new modem introductions or
updated models, web links etc.

Thanks
JGD

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"John Dann" <[email protected]> wrote in message
news:[email protected]...
> Just trying to update myself on available standalone GSM modems with a
> serial port (ie not ones that plug directly into a laptop but ones
> that are freestanding and can connect to any suitable RS232 serial
> device - though USB might also be of interest if available.)
>
> Of particular interest are any specially designed with low power
> consumption so as to be suitable for mounting at a remote site with no
> mains power and only very limited solar/battery power available.
>
> Anyone have any info/recommendations on new modem introductions or
> updated models, web links etc.
>
> Thanks
> JGD

How about one of these,

http://www.businessshop.bt.com/invt/bbw242

It is a stand alone unit that takes Vodafone 3G / GPRS mobile connect cards
and has the advantage of being able to support multiple connections.

However it requires either a wireless connection or a standard ethernet
cable connection, not RS232 so maybe not
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