The Squid.link Gateway is an open Linux platform including multiple wireless networks for communication with smart meters, sensors, smart plugs, thermostats etc. The gateway is modular and can handle many different wireless protocols at the same time. The Squid.link Gateway has options for ZigBee, Z-Wave, Wireless M-Bus, Bluetooth Low Energy, and WLAN HAN networks. Communication with servers and e.g. smart phones can be established via WLAN, Ethernet (to local modem) or Cellular 2G/3G.