Would it be feasable to make a pair of devices consisting of Arduinos with micro keyboards and 4 - 6 inch LCDs (maybe 4 x 20 Characters)and some XTend® OEM RF Transceiver Modules (900 mhz @ 1 Watt)??
The idea would be to compose and store messages and then be able to send them to the other unit at a scheduled time. Range would be 500m to maybe 1 Km in urban and rural environments.
Regards,
WB
Would it be feasable to make a pair of devices consisting of Arduinos...and some XTend® OEM RF Transceiver Modules
Sure, but what does this have to do with XBee?