A 5G mobile phone requires more than 15 PA chips. PA RF chip manufacturing difficulty is getting higher and higher, domestic manufacturers in this field is still a serious lack of Skyworks, Qorvo and Broadcom control, PA is the core of affecting the communication distance and signal quality, in the 5G war, the domestic 5G baseband chip batch is still Huawei, Unigungri, ZTE and other enterprises have occupied the forefront. Overseas enterprises are only Qualcomm, Samsung, Apple (acquired Intel 5G baseband business) in the 5G baseband chip, hope to help you.