What is it: Tractor guidance system includes a 10inch water proof tablet integrated with a high-precision GNSS Board and precisionAG software(permanently) and 1 high precision GNSS GPS Antenna and accessories cables and tools,It Navigate Tractor go along A-B line How to work: This tractor gps navigation system installed with farming tractor navigation software "precisionAG", under Seting AB line accordingly work with straight navigation or Curve navigation for more precision agriculture Where to use: Tractor gps navigation system can be widely used for sowing, cultivating, trenching, ridging,spraying pesticide,transplanting,land consolidation, harvesting and other work scenaries. It is suitable for various applications of tractors( CAT, MT3,CASE,CLAAS,JCB,DEUTZ,JOHN-DEERE,MTZ...), harvesting machines, plant protection Elect machinery, rice transplanters,and other agricultural models Why use: Tractor GPS system integrates the advantages of convenient installation, high precision and quick SETTING. Soft-ware has farmer-friendly GUI and large iconic buttons for each function. JY100 is robust, accurate and affordable enabling you to easily perform various farming tasks, extend your operating hours and enhance the productivity of your farm Supports multiple constellations & frequencies suitable for Any country:GPS L1, L2 GLONASS L1, L2 BeiDou B1,B2，B3 . Multiple languages supported, Map-based navigation,Task Controller functionality via Setting A-B for straight navigation,curve navigation or history path navigation Tractor GPS Guidance System 4inch(10cm) Accuracy by PPP, precisionAG Software Included,no Need Network or Base Station. Farming GPS Suitable for Various Tractors