Qualcomm was founded in 1985 and is headquartered in San Diego, California, with more than 33,000 employees all over the world. Qualcomm is a global 3G, 4G and 5G technology research and development company. Currently, it has provided technology licenses to many manufacturers around the world, involving the world's brands of telecommunications equipment and consumer electronic equipment.QPLC451 coupling transformer is our hot sale product,HEMEI has been supplying Huawei Hisilicon for many years.