XY30 is a high performance BDS/GNSS single frequency RTK navigation module.  The product adopts the fourth-generation low-power GNSS SOC single chip AT6558 of Zhongke Microelectronics, which supports a variety of satellite navigation systems, including all satellites of China's Beidou II and Beidou III, GPS of the United States, GLONASS of Russia, and QZSS of Japan.  It can receive satellite signals of the above satellite navigation systems at the same time.  It also realizes joint positioning, navigation and timing.  The product has the advantages of high sensitivity, low power consumption and low cost.  The module supports RTK positioning mode, and the base station data supports RTCM3.2 protocol input.  Interference suppression unit is integrated in the module to improve the stability in complex electromagnetic environment.  FLASH is integrated in the module, which supports independent code upgrade and flexible parameter configuration.  Module built-in antenna detection and antenna short circuit protection function.