One thing to keep in mind is how Mobitex came into being (in a manner of speaking). A big part of the customer base is large corporations that have special applications/devices put in place that utilize the network infrustructure. For example, I believe all those UPS handhelds the truck drivers carry around are special purpose Mobitex devices. Regardless, there is a huge installed customer base that needs to be supported, and will most likely keep the network alive for quite some time.
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