There were an estimated 154 million Ethernet connections/ports worldwide in 2019. The majority of these are supporting data (and voice), but a significant number are connected to wireless access points (WAPs) and Distributed Building Services (DBS). The key products included under Distributed Building Services are surveillance cameras, audio/video, access controls and building automation controllers.
An average of 3.6 devices are connected to each of the 17 million Ethernet port for Distributed Building Services, equivalent to more than 60 million connected (cabled) devices.
The use of wireless technologies in commercial buildings is increasing. The most prominent short-range, low-power technologies in commercial buildings are Bluetooth and Zigbee followed by EnOcean. The typical applications for short range low power technologies are sensors and lighting. BSRIA estimates the number of connected (wireless) devices in commercial buildings to be 150 – 200 million in 2019 worldwide.
The uptake of low-power wide-area (LPWAN) technologies such as Lorawan, Sigfox and NB-IoT is still limited in commercial buildings. They are used mainly for smart metering, tracking the supply chain, monitoring of soil and livestock, smart parking, etc.
BSRIA Senior Manager Lone Hansen commented: “BSRIA has been tracking convergence over the last 15 years and the uptake of convergence has been slow, but we expect to see an increase in the number of connected devices over the next 5 – 10 years due to the latest developments in both wired and wireless technologies. One example is the emergence of new Wi-Fi access points (Wi-Fi 6, 802.11ax) that can handle multiple devices using several protocols such as Bluetooth and Zigbee”.
“The majority of devices today are IP and are linked in subnetworks with a common backbone or connected via V-LANs, which enable centralised monitoring and control.”
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