2.5m Land Measurement GPS Machine , Palm GPS Distance Measuring Device
                                         
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                                            Land Survey GPS Color Screen GPS Land Measuring Instrument Technical Parameters Of GPS Land Measuring Instrument: Receiver chip High sensitivity GNSS receiver chip Receiver antenna Passive large-size planar antenna Efficient startup 1sec for warm boot, ......                                         
                                        
                                            Chengdu Wanggan Technology Co., Ltd.
                                         
                                        
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