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[school-discuss] GSM modems
This is a forward of an email I sent to NetDay South Africa in early
March. I was concentrating on what could be most easily acquired in
South Africa, so perhaps I overlooked some things that might be useful
Here are some websites I found with info about GSM cellular modems. I
hope some of this is useful.
This modem is British, and sells for about 122 pounds. It's data rate
seems to top out at 14.4 kbps.
This lists a variety of PCMCIA GSM modem cards available in SA, although
I can't find the data rates and prices on all of them.
This gives a technical overview on how GSM modems work.
No data rate info, but the pricing is $175 US for single unit with bulk
I don't know much about these, but the listed data rates seem pretty good.
This looks promising, but I don't know about its availability.
This one looks extremely good to me. I don't know about the pricing,
but it has an embedded TCP-IP stack with DNS query protocol, and
internal SMTP client, and an internal FTP client, with a baud rate up to
Fargo Telecom has local offices in Johannesburg; perhaps they would be
A German company. The products seem similar to others above, but I
didn't look closely at them all.
This page is in Dutch so I can't understand it all, but I'm including it
since Afrikaans is related to Dutch. It lists many GSM modems and also
an HSDPA modem that would provide very high-speed connections if that
service is available.
The last one. This company has an interesting product here:
might be exactly the device needed for internet connectivity from the
I can't say which if any of these links and devices will be most useful
to you (if any). I'm sure this advice is already obvious to you, but
I'll say it just in case. When you identify the units you think will be
best for your use, contact the companies who manufacture the devices
directly (not through any distributor). Tell them just what your
intended use is and explain the financial situation to them. You might
find them willing to donate the equipment for some charitable
consideration on their taxes or for the good publicity they can get from
the donation. If you do decide to pursue this line of inquiry, please
keep me informed!