: After power-up, the radio mast icon will flash for up to 7 minutes while searching.
The is a wireless weather station that provides accurate indoor and outdoor environmental data, featuring a radio-controlled clock for precision timekeeping. According to the H10515/DCF protocol documentation , this model uses a 433 MHz frequency to transmit data from its external sensor to the main base station. Key Features and Specifications wireless weather station h10515 dcf manual verified