Compatible with DELTA Pro Ultra X, solar, EV chargers, and generators¹, it switches in under 20 ms¹ and automatically sheds non-essentials to extend backup—keeping your essentials running longer. Smart Gateway powers your whole-home² system: Effortlessly backup with <20 ms. What is the smart gateway box used for? The smart gateway box is a smart device with multiple functions that plays an important role in modern homes. So, what exactly is the smart gateway box used for? 1. Realize intelligent management of home network With the increasing number of smart devices in. The FRITZ!Smart Gateway is the ideal extension for your FRITZ! Smart Home: It's compatible with ZigBee 3. Because it supports the Matter standard, you can add voice control. Preventive Protection: Catching wiring degradation before it sparks could save your entire home. What's that worth? Time = Money: Instant diagnostics when lights flicker versus hours of electrician troubleshooting. Insurance Perks: Some insurers offer discounts for smart electrical protection. The device offers connections for up to three current transformer sensors, can be flexibly expanded with additional SMARTsens energy sensors, and also integrates BLE sensors (such as temperature, humidity, or occupancy sensors) via wireless communication. Interfaces such as M-Bus, Modbus, S0, or D0. This guide is divided into 4 main stages. Governments worldwide are mandating improved energy efficiency, requiring an investment in the new smart grid and smart energy management structure.