Product overview
The Bynav C2 Series is a GNSS board family for high-precision positioning, with dual-antenna heading available in the range. Models include C2-M20, C2-M20-U, C2-M20D and C2-M20D-U. The boards use base-station differential data for real-time kinematic (RTK) positioning, while dual-antenna heading determines the antenna baseline's angle relative to true north. Supported satellite systems include BeiDou, GPS, GLONASS, Galileo, QZSS and NavIC; certain signals require optional or special firmware. Civilian applications include surveying, mapping, precision agriculture, digital construction, deformation monitoring, autonomous driving and unmanned systems such as UAVs.
Bynav specifies RTK accuracy of 1 cm + 1 ppm horizontally and 1.5 cm + 1 ppm vertically, both RMS, and heading accuracy of 0.2 degrees RMS with a 1 m baseline for heading-capable models. The boards measure 71 × 46 × 11 mm, weigh 17.4 g and operate at +3.15 to +3.45 V. Interface availability varies by model, including UART, Ethernet, CAN FD and Type-C connections. Bynav describes interference suppression, multipath mitigation and carrier-phase recovery techniques intended to improve positioning under difficult signal conditions.
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