mountain gps instrument for land survey

{"cid":"91193213","title":"Handheld GPS area measure land measurement NF188 device surveying","imgUrl":"https:\/\/img.chinax.com\/nimg\/3e\/4c\/a81b690ac127b7144db171eefb46-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"NOYAFA","Model Number":"NF-188","Minimum Order Quantity":"1PC","Delivery Time":"5-8 work days Specific time need to consult","Certification":"CE","Place of Origin":"China","Payment Terms":"T\/T, Western Union","Supply Ability":"1000pcs per year","Packaging Details":"With Standard Export Packing Ways","Medel Number":"NF-188","Type":"Land Measurement Handheld","Testing mode":"Manual \/ Auto","Positoning Accuracy":"0.5M","Product name":"Handheld GPS Device"}}

{"cid":"91222737","title":"GNSS RTK Hi -target IRTK4 Upgrade for Land Surveying Instruments Survey IMU GPS","imgUrl":"https:\/\/img.chinax.com\/nimg\/6b\/47\/693f82648b29cf5f7afd6cfe39f3-200x200-1.jpg","attrs":{"Price":"$3,000.00","Brand Name":"Hi-target","Model Number":"IRTK4","Minimum Order Quantity":"1 piece","Delivery Time":"30 work day","Place of Origin":"China","Payment Terms":"L\/C, T\/T","Supply Ability":"1 ~ 30 day","Product name":"RTK receiver Hi-target IRTK4","Material":"magnesium alloy","Power":"lithium battery","Channels":"866 channels","GPS":"L1, L1C, L2C, L2P, L5","GLONASS":"G1, G2, G3","Positioning output rate":"1Hz~20Hz","GALILEOS":"E1, E5A, E5B, E6C, AltBOC*"}}