Specifications Overview
The document outlines the specifications for a range of digital room controls, including the RC30, RC35, RC35RF, and RC300 models. Key dimensions are provided, with the RC30 and RC35 measuring 133x88x26 mm and 139x101x21 mm, respectively. The RC35RF and RC300 offer wireless capabilities with a range of 30 meters in residential environments, utilizing ISM (868.0-870.0) MHz communication.

Protocols and Connectivity
The RC30 operates on an On/Off protocol, while the RC35 and RC35RF support OpenTherm modulation, enhancing energy efficiency by up to 15%. The RC300 features internet connectivity and can be accessed remotely via iOS or Android apps, requiring an internet connection and an account on mytotalconnectcomfort.com.

Power and Environmental Specifications
All models are powered by AA batteries, with the RC300 also supporting rechargeable AA batteries. They operate within a temperature range of 0 – 40 °C and can be stored between -20 – 50 °C. The devices are protected with an IP30 rating and can function in relative humidity levels of 10 – 90% without condensation.

Features and Functionality
The RC30 is a basic thermostat with a digital clock and a 7-day program allowing 4 daily changes. The RC35 and RC35RF offer more advanced features with 6 daily changes and modulation capabilities. The RC300 is the most advanced, featuring a touch screen, wireless connectivity, and remote access options.

Additional Components
The system includes a central controller for scheduling and regulating heating, and a radiator controller for managing radiators or underfloor heating. The remote access gateway allows integration with smartphones or tablets for enhanced control over home climate and comfort.