What Is a GSM TV Phone?

GSM digital mobile phone system is characterized by the most mature and advanced technology, and has a wide range of mobile communication services that can be opened, fast connection of mobile phones, good call quality, strong security and confidentiality, strong anti-interference ability, wide network coverage, There are many advantages such as international automatic roaming. At present, nearly 100 countries and regions around the world have established GSM digital mobile phone communication networks. It was designed by a standardization committee composed of major European telecommunications operators and manufacturers. Developed on the basis, belongs to the second generation digital mobile communication system.