The Mate40 RF chip is independently developed by Huawei. Huawei has a strong R & D team and technical strength, from chip design to manufacturing to achieve independent control, with independent intellectual property rights. Radio frequency chip is the core component of mobile phone communication, which determines the signal strength and stability of mobile phone. Huawei has a certain leading edge in RF research and development. The RF chip used in Mate40 is also a high-quality chip developed by Huawei on the basis of continuous optimization and upgrading, which ensures the communication stability and performance of mobile phones.