云鼎科技：公司子公司北斗天地在北斗卫星通信和导航方面主要产品有基于北斗+无线自组网通信的系列产品、北斗三号短报文终端、卫星导航定位模块等

Core Viewpoint - Yunding Technology (000409) has indicated that its subsidiary Beidou Tiandi focuses on satellite communication and navigation products, which include a series of products based on Beidou + wireless self-organizing network communication, Beidou-3 short message terminals, and satellite navigation positioning modules. These products enable self-organizing network communication, satellite communication, and positioning functions. However, the business volume of these products is relatively small and does not significantly impact the company's performance [1] Group 1 - The main products of Beidou Tiandi include Beidou + wireless self-organizing network communication series products, Beidou-3 short message terminals, and satellite navigation positioning modules [1] - The products are capable of self-organizing network communication, satellite communication, and positioning functions [1] - The business volume of these products is small and does not have a major impact on the company's overall performance [1]