Have sourced a wifi dongle and a usb battery pack for dev work. The proof of concept on AAs was good, but it'll get real expensive to buy 6 batteries for every hour of testing. Still a very good solution for production tho. Having the capability just chuck in fresh off the shelf batteries is a lot more foolproof than taking things off the truck and putting 'em on chargers. Wifi + vnc gives the nice-to-have feature of being able to remotely view what the firefighters are seeing. Frankly, in many cases this will be unlikely-as the officer you're far too busy officer-ing to muck about with babysitting the individual crew. But on the occasion you have the time it could be quite useful to transmit the image out, and at bigger jobs where the command unit has arrived it could start to become more plausible (plenty of resource by then, so as an officer you've got more time on your hands).

Need to tweak energy saver settings so the screen won't blank, but otherwise software is looking pretty good so time to get serious about the physical enclosure. Oh, and sourced the wee helmet mount clip as well. It's designed for flashlights, so will need some hackage, but should result in a very nice mount with the standard NZFS helmet.