Millions of people around the world participate in amateur radio contests. Contests can be exclusive to a certain region or held at a global scale. An amateur radio contest (aka radiosport or contesting) is a competitive activity among radio operators done as a group or individually. The main goal is to communicate with as many stations as possible in a given time. As easy as it sounds, there are ...

To ensure communication reliability, operational safety, and environmental durability in industrial, emergency, and outdoor scenarios, every walkie-talkie must undergo a rigorous series of factory tests. These procedures comply with national standards such as GB/T 15844-2022 and GB/T 32659-2016, and for export models, international standards including FCC and CE. Only units that pass all tests are...