WiFi is a wireless radio standard for using the WLAN (Wireless Local Area Network). There are numbers of manufacturers which offer smart home devices as pure WiFi devices. There are a few things to note: the basis of WLAN or LAN networking is on TCP / IP (Transmission Control Protocol / Internet Protocol). The usage of this data protocol is so diverse that it is hardly possible to find cross-manufacturer application profiles. There are also manufacturers which launch the WiFi devices under different brand names. Of course that isn’t a cross-vendor solution. A major advantage is that the devices are immediately internet-enabled without HUBs or Bridges. The smart home device is therefore an independent IP device, in addition to the PC, the WiFi speakers, your smartphone, the IP TV and WLAN kitchen appliance or whatever else is in use. An IP is assigned with simple functions. As long as the IP router can handle all, everything seems good. ALEXA, SIRI or GOOGLE HOME are also connected on this network. Such an IP infrastructure is quickly occupied. In addition, wherever the IP connection of the smart home device goes for, e.g. into a cloud, it is a gate to outside, thus an access to your home network. If possible, a separate network should be created for Smart Home IP. Devices, e.g. the smartphone, other IP networks then communicate externally. If the Internet access is interrupted, the connection is broken here too. The use of smart home WiFi devices should be carefully considered. In some cases it is a trouble solver.

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