Beidou Bds GPS Glonass Wi-350 Solar Satellite Tracker for Accurate Positioning Solutions. Solar Powered Long Life: Powered by solar micro-light lithium capacitor charging, requiring no battery replacement with a working life of over 8 years. Multi-Satellite Positioning: Supports Beidou BDS, GPS, and GLONASS with 5-25 meters accuracy in open areas and cold start within 40 seconds. 4G LTE Cat 1 Communication: Integrated eSIM card supports 4G transmission with configurable intervals from 5 minutes to 1 hour in night mode. IP66 Waterproof Rating: Rugged design suitable for harsh outdoor environments, including direct application in various weather conditions. Customizable Configuration: Offers flexible customization options including minor, flexible, sample-based, design-based, and full customization. Open Protocol Support: Compatible with TCP protocol for transmission to customer's own platform, supporting Lorawan and proprietary protocols. Real-Time Mobile Monitoring: View positioning data via mobile mini-program for convenient real-time check-ins and asset tracking.