South G2 Handheld Gnss Differential GPS Receiver Cheap GPS Rtk with Dual Frequency South Rtk Receiver

PERFORMANCE SPECIFICATIONSSOUTH G2Surveying PerformanceChannel1598 ChannelsSignal TrackingBDS B1, B2, B3,GPS L1C/A, L1C, L2C, L2E, L5GLONASS L1C/A, L1P, L2C/A,L2P, L3SBAS  L1C/A, L5( Just for the satellites supporting L5 )Galileo GIOVE-A, GIOVE-B, E1, E5A, E5BQZSS,WAAS, MSAS, EGNOS, GAGAN, SBASGNSS FeaturePositioning output rate: 1HZ~50HZInitialization time :  99.99%Positioning PrecisionCode Differential GNSS PositioningHorizontal:                                 0.25 m + 1 ppmVertical:                                     0.50 m + 1 ppmSBAS positioning accuracy:     typically