电科芯片(600877.SH)：有射频开关、低噪声放大器等产品应用于卫星通信载荷，该部分业务营收占比不到1%

Group 1 - The company has noted increased market attention towards the "commercial aerospace" sector [1] - The company's revenue structure includes products such as RF switches and low-noise amplifiers used in satellite communication payloads [1] - This segment of the business contributes less than 1% to the company's total revenue, indicating a minimal impact on overall profitability [1]