ZigBee Sensor Networks – Wireless Congestion

An interesting quote from a spokesperson for ZenSys, (makers of the Z-Wave home automation system).

“Networks that operate in the 2.4GHz band, such as that offered by Zigbee, will become congested and slow as this frequency is also used by Wi-Fi and other networks”

As interest in these wireless technologies increases for the smart home users, it looks like wireless “congestion” is going to be a major issue.  Reliable tracking of people as they move around a house would bring great benefits for any home automation system. Interesting, at this years Defcon meeting, hackers showed a passive RFID tag was able to be read from a distance of over 69 feet. Perhaps more passive devices are a better option for the future.

Source   :   Defcon RFID Record

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