GR-9028/9029 BLE5, Cm-Level RTK Base/Rover
                                
                                    ■ Based on u-blox ZED-F9P chipset
■ GNSS L1/L2 Dual-band 
■ Portable RTK base(GR-9028), RTK rover(GR-9029)
■ BLE5.2 & rechargeable battery
■ iOS & Android APP support
■ Spoofing detection & Jamming indicator
                                    
                                    
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