> This idea has been done before, see http://radaractive.com http://radaractive.com Looking through their site - that's $90 for the iphone-detector adapter al

> This idea has been done before, see http://radaractive.com http://radaractive.com Looking through their site - that's $90 for the iphone-detector adapter alone. Plus the cost of the radar detector itself, plus (it seems) a service subscription fee in the future. Perhaps I am missing something, but with the setup like this I don't see them building large enough user base to bootstrap the service. It's a good idea, but the adapter cost needs to go down significantly (to under $20) and it should be usable with existing trap detection networks, e.g. Trapster.