Outdoor Navigation with Bluetooth Geolocation

I need a Bluetooth-based Geolocation system designed primarily for navigation assistance in outdoor settings. The system should be able to indicate location with an accuracy of within 5 meters.

Ideal Skills:
- Expertise in Bluetooth technology
- Experience with designing Navigation systems
- Knowledge in developing outdoor geolocation systems
- Proficient in creating systems with specified accuracy limits

Key Features:
- Real-time location data
- User-friendly navigation assistance
- Accuracy limit within 5 meters