Context :
Video of Radios Technologies (RF) proposed by Digi International, integrating the Xbee theme:
The essential criteria to consider to optimize the transmission of data by radio are addressed: line of view, power, sensitivity, antennas with clear explanations, followed by an introduction to different typologies and radio network protocols (Wireless) regularly used in the field ( Point-to-point, messed up, etc.) Finally a complete presentation of the Xbee concept, RF Versatile modular platform, with powerful development, deployment and maintenance tools.