Hello World I want create system for it i need good tech. i want call people without sim and without internet. If you want also like me please share with me

Hello, I am looking for a skilled individual to create a communication system that will allow me to call people without the need for a sim card or internet connection. I am looking for someone who has experience in developing innovative technology. The primary purpose of this system is for communication, with an ideal range of international coverage.

Skills and Experience:
- Experience in developing innovative technology
- Knowledge of communication systems and protocols
- Ability to create a system that can operate without a sim card or internet connection
- Experience in international communication coverage is preferred.