GPD Pocker3 4G module

Copyright statement:
This project is under the CC-BY-NC-SA license (i.e. Creative Commons-Attribution-Noncommercial-Share Alike) and unauthorized deductions (interception of parts of the original project or new creations based on modifications of the original project) are prohibited. The project is called "deduction"). Even if it is authorized, the project must be shared in the same way before it can be deduced (the signature and source of the original author need to be marked). If you ignore the open source agreement and engage in commercial activities, I will pursue it. Relevant responsibilities and severe crackdowns! Please consciously abide by the open source agreement and jointly maintain the open source environment.
Unauthorized secondary development is prohibited.
This project is for DIY and learning purposes only. It is prohibited to use this project for any commercial activities (sale, dissemination, copying for profit), including but not limited to the above three points.
Since my Lichuang EDA design technology is limited, please contact the author if you need optimization.
This round of open source schematics & PCB Gerber will be mass- produced in small batches during free time in July
if there is demand . If the demand is too small, we will also hand-weld and customize it for players who need it. Products made using disassembled modules are expected to be priced within 100 yuan. 3.8v power supply MIC29302WU (tested 3 power supply solutions, this one is the most stable) test speed (China Mobile, China Unicom, China Telecom, (Radio and Television does not have a card and has not been tested)) The mobile speed is a problem in my region, it is similar to my mobile phone. I uploaded two speed drivers. This version v2.1 v2.2.2 (the version I use) spring thimble H047 QQ communication group: 826121452 I hope to support and sponsor open source