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+This is the source code of ADF7021 version of the MMDVM firmware (MMDVM Hotspot), based on Jonathan G4KLX's MMDVM software. This firmware supports D-Star and DMR digital modes, System Fusion and P25 are untested. 
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+This software is intended to be run on STM32F103 microcontroller. You can build this code using Arduino IDE with stm32duino package, and also using "make" with ARM GCC tools.
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+This software is licenced under the GPL v2 and is intended for amateur and educational use only. Use of this software for commercial purposes is strictly forbidden.