1. Tractor guidance system includes 10-inch waterproof board for vehicle control, integrated high-precision GNSS board, 1 high-precision GNSSGP antenna and accessory cable sand tool.2. Working principle: The tractor GPS navigation system is compatible with flat terminals and agricultural guidance software, and ABlineto can be set with linear navigation or curved navigation to obtain more accurate agriculture3. Where to use: Tractor GPS navigation system can be widely used in sowing, plowing, trenching, ridge, spraying pesticides, transplanting, soil preparation, harvesting and other work scenes. Suitable for tractors (CAT, MT3, Case, Claas, JCB, Deutz, John Deere, MTZ...), harvesters, plant protection machinery, rice transplanters and various other agricultural models. 4, why use : Tractor GPS system is easy to install, high precision, low noise, low calorific value, fast debugging and other advantages are integrated. Rugged, accurate and affordable, the JY100 enables you to perform a variety of farming tasks with ease, extending your working hours and increasing farm productivity5. Support multiple constellation frequencies: GPSL1, L2GLONASSL1, L2 Beidou B1, B2, B3. Support multi-language, map-based navigation, linear navigation, curved navigation or mission controller function of historical path navigation by setting AB