NET660i-H is a cost-effective and miniaturized GNSS receiver designed for the construction of Beidou ground-based augmentation system. it has built-in Linux operating system, completely independent intellectual property development, rich interface types, diverse communication methods, and supports large-capacity data storage. NET660i-H supports full system and frequency, and dual-antenna directed positioning solution with dual-antenna independent differential output capability. it is the best choice for the construction of the mechanical intelligent control system.