IGS provides a framework for maintaining an electronic workflow between various geoscience software applications through data connectivity.
One service that seems to be solving the issue with data connectivity is Evertale.
Here's to more services that can perform abroad, without the need for expensive data connectivity!
Maybe I'm missing your meaning and you don't mean for data connectivity.
Once installed in a Compatible Mobile Handset, the dialer requires data connectivity to work.
Using this data connectivity the phone series is able to transmit Voice over Internet protocol or VoIP.
Among the exotics is a 55-inch television which uses magnetic resonance coupling to draw power wirelessly, as well as having wireless data connectivity.
A high speed microwave WAN link was also installed between the two stations to enable data connectivity.
To this day MapGuide 6.5 and previous releases are known for ease of deployment, rapid application development, data connectivity, scalability, and overall performance.
As far as I can see the big difficulty about using any travel app effectively when abroad, is the need for data connectivity.