I don't see how that solution would work.
Seems to me that xbee is massive overkill for that range, anyway. All you need is a couple of Arduinos equipped with nRF24L01+ or similar transceivers - this would be much cheaper than using xbees.
I don't see how that solution would work.
Seems to me that xbee is massive overkill for that range, anyway. All you need is a couple of Arduinos equipped with nRF24L01+ or similar transceivers - this would be much cheaper than using xbees.