First, the template for Guangdong is this one. You must submit your application according to this format; otherwise, they will call you and ask you to correct the materials. The signature requirement is a handwritten signature. My approach is to print it out, sign it by hand, and then scan it as a PDF to submit.
I recently successfully obtained my national license last month. The reason for my application is that I frequently use satellite communication, and I need to deliver equipment to locations outside of my area. Additionally, I plan to travel to other areas to conduct technical exchanges with local partners, which requires satellite communication. I also included screenshots of the equipment I currently possess and proof of my operating license (obtained in Shanghai) in my application materials to strengthen my case. I hope this information is helpful!
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