EasyEDA PCB Adaptation: Update 2G design to 4G LTE modular layout (SIMCom A7682E)

Hello, We have a working PCB design hosted on EasyEDA that currently uses a SIM800L (2G) module. We need to adapt the layout to support 4G LTE connectivity. Due to capacity and time availability constraints... (Budget: $30 - $250 USD, Jobs: Altium Designer, Bill of Materials (BOM) Analysis, Circuit Design, Electrical Engineering, Electronics, Microcontroller, PCB Layout, Power Electronics & Battery Management (BMS), Prototype Design, Wireless Radio Frequency Engineering)