How about the communication module of Youxunda Technology?

Youxunda technology communication module is very good. Founded in 2002, Shenzhen Youxunda Technology Co., Ltd. is committed to providing wireless communication modules and Internet of Things solutions for various industries. The company's core technologies include CFDA wireless sensor network technology with independent intellectual property rights, LCFDA low-power sensor network technology and dual-mode heterogeneous communication technology. The company participated in the formulation of a number of national communication standards and technical standards for wireless communication in various industries.