1.Responsible for 2G/3G/4G/5G cellular modules and PCBA project hardware design such as Schematics and PCB design, debugging and problem solving, all kinds of HW document writing.

2.Do the HW components evaluation, selection and certification for cellular modules and PCBA project

3.Responsible for R&D testing for cellular modules and PCBA project, and related evaluation board.

5.Support and resolve hardware issues encountered by customers during the design or application of their products.

6.Support and resolve hardware issues on the production line. Analyze and improve hardware defects of mass-produced products to enhance product yield and reliability, and reduce costs.

7.Support the internal department (FAE/AE/SW etc.)teams in resolving hardware issues

8.Other tasks assigned by team lead from time to time.