1,Ultra-long-distance RTK 2,GNSS positioning performance 3,Application of seamless compatible ... and play, no need extra software.4, Ultra-long-distance RTKCapable of ultra-long-distance RTK, making your surveying work much moreeconomical5, Application ... time3 . . . . . . . . typically <10 seconds Initialization reliability3 . . . . . . . . . . . . . . . . >99.9%5, 1 Hz, 2 Hz, 5 Hz, 10 Hz, 20 & 50 Hz ...