Low-consumption wireless sensor networks at 2.4 GHz (including ZigBee) are a major challenge, starting with integrated circuit manufacturers. This is demonstrated by the strategic acquisition that Silicon Labs has just made: ember, which was one of the pioneers in Zigbee solutions (based on the standard 802.15.4). The portfolios of the two companies are complementary, with an offer of sensors, conditioners, controllers and of course wireless communication.
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