5G Connected IoT Device Development

I'm seeking a professional to help develop an IoT device based on STM32. This device should be capable of connecting through 5G and performing data collection.

Key Features:
- The IoT device must be equipped with the following sensors:
- Temperature sensor
- Humidity sensor
- Motion sensor
- WIFI
- Bluetooth

Other IOT features needed:
1. Full detailed GPS tracking
2. Thermocouple connectivity with Internal and external temperature
3. Tilt
4. Humidly
6. Battery Level should last 20 days minimum.
7 Pressure


Hardware should be cheap and Firmware code should be ready to work with.
The firmware programming shall be flexible to make future config and enhancements.
The hardware should be modifiable for future changes.

- The primary function of the device should be data collection.

Ideal Candidates Should Have:
- Extensive experience with STM32 and IoT device development.
- Proficiency in integrating multiple sensors into a single device.
- In-depth understanding of 5G connectivity and its application in IoT.
- Proven track record in designing devices for data collection.

I am looking for a freelancer who can deliver a high-quality, reliable device within a reasonable timeframe.