GW03 GatewayDual Band The Dual Band GW03 gateway is used to connect your EPH CP4 and CP4-HW-OT thermostat (s) to the EMBER app. It utilises RF communication to connect to your heating controls whilst connecting to the EMBER cloud Server via your home WiFi network. It is compatible with both 2.4GHz and 5GHz wireless networks.

GW03 Gateway Dual Band Instructions