How much hertzs created by a smart phone?

Smartphones typically operate on frequencies ranging from a few kilohertz (kHz) to several gigahertz (GHz). For instance, Wi-Fi signals often use frequencies around 2.4 GHz or 5 GHz, while cellular networks operate on various bands that can range from 700 MHz to over 2.6 GHz. The specific frequency generated by a smartphone depends on the function being used, such as calling, data transmission, or Wi-Fi connectivity.