Electric and Network Installation

• Can I use Smarther for replaced any thermostat powered by battery?
• Can I use Smarther for replaced any other thermostat 100 ÷ 240 Vac powered?
• Can I use Smarther for replaced a Legrand thermostat?
• Which level of IT security has the Smarther have?
• Can Smarther be connected to a wifi repeater?
• What kind of wifi network I need in my apartament?
• How many thermostat can I install in my house in order to be able to controlled by App?
• What is the minimum connection speed needed?
• Do I have to NAT my router ports to receive the call on my smartphone?