Group 1 - The core viewpoint of the article is that the company, 蓝盾光电, currently does not engage in satellite IoT-related products, but has a stake in a semiconductor design company that develops chips applicable to various advanced communication technologies [2][3] Group 2 - The company, 上海星思半导体有限责任公司, is involved in the design of baseband chips [2] - The relevant chips can be utilized in products such as 5G CPE, satellite smartphone prototypes, low Earth orbit satellite communication terminals, satellite IoT terminals, and satellite joint measurement terminals [2]

Core Viewpoint - The company, Blue Shield Optoelectronics (300862.SZ), currently does not engage in satellite IoT-related products, but has a stake in Shanghai Xingsi Semiconductor Co., which designs baseband chips applicable in various advanced communication technologies [1] Group 1 - The company has stated that its current business does not involve satellite IoT products [1] - Shanghai Xingsi Semiconductor, a company in which Blue Shield Optoelectronics holds shares, specializes in baseband chip design [1] - The baseband chips designed by Shanghai Xingsi can be utilized in 5G CPE, satellite smartphones prototypes, low-orbit satellite communication terminals, satellite IoT terminals, and satellite joint measurement terminals [1]