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If you are considering wireless design you may consider of using RF-24G wireless module which works at 2.4GHz frequency. With this module your application may reach 1Mbps speed and may provide up to 250 data stream channels. You may check the abilities in datasheet.

So there is simple project showing how to run these modules with microcontroller. Simple Circuit which interfaces module to Atmega8515 and receives data from USART terminal which is immediately transmitted. After transmission module enters receive mode These modules are powered with 3.3V so be sure not to connect it to 5V supply as you may damage it. For some of you this example may serve as a starting point to wireless. Download complete Project files(155kB) .

Interfacing Atmega8515L to RF-24G wireless module - [Link]

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