Today, Xiaomi made a splash in the market by launching China's inaugural shared digital walkie - talkie, which comes with a price tag of just 349 yuan. This innovative walkie - talkie employs the FDMA (Frequency Division Multiple Access) digital format. To minimize frequency interference, it integrates 64 distinct color codes. Moreover, with its high - power output, users can operate it without the hassle of obtaining a radio frequency usage license, which is a significant advantage in the communication device realm.