Here is another module for S90. It's a walkie-talkie module. I think it's for professional people as well as the night-vision camera.
For example, if you like to do outdoor activities and go to some places where no signal, you may need one module.
I haven't got more info about this module yet. I'd like to listen to you and know what you want to know.
Are you interested in it? Why or why not
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I would think it would be even more useful as a Software Defined Radio.
For example: In the emergency situation as mentioned elsewhere in this thread being able to form a small network on site would be helpful.
If a building had collapsed an engineer could transfer a copy of the blueprints to the building to rescue workers.
Please Please make this VHF compatible as well! As part of Search and Rescue this would be invaluable and in any maritime situation the only band used is VHF. Please consider making this upgradable/optional VHF frequencies for all the emergency response workers out there like myself.