surveying fog compass for mapping

{"cid":"91210401","title":"MF703 Precision FOG North Seeker FOG Compass for Surveying and Mapping","imgUrl":"https:\/\/img.chinax.com\/nimg\/19\/a8\/b10c0d244c66d280e96ce43bc65c-200x200-1.jpg","attrs":{"Price":"2000$","Brand Name":"1","Model Number":"NF701","Minimum Order Quantity":"1","Delivery Time":"1 week","Place of Origin":"China","Payment Terms":"L\/C,D\/P,T\/T,Western Union","Supply Ability":"500\/month","Packaging Details":"Sponge + Carton","Product Name":"fiber optic gyroscope north finder","North seeking accuracy (1\u03c3)":"\u2264 0.3 \u00b0 (NF701A); \u2264 0.5 \u00b0 (NF701B)","Horizontal accuracy":"\u2264 0.05 \u00b0","Circumference":"\u2264 0.5 \u00b0","Interface":"RS422","Power supply":"DC 12V ~ 24V","Weight":"\u2264 2 kg","Dimension":"115 \u00d7 90 \u00d7 110mm"}}

{"cid":"91201226","title":"Orientation Sensor 3d Digital Compass Surveying Mapping Antenna North Search","imgUrl":"https:\/\/img.chinax.com\/nimg\/4d\/69\/ae114d9c15d3e5ce43270cdd32e3-200x200-1.jpg","attrs":{"Price":"$438.00\/Units","Brand Name":"RION","Model Number":"HCM3758B-232","Minimum Order Quantity":"1","Delivery Time":"7 days for samples","Certification":"CE, ISO","Place of Origin":"Guangdong, China","Payment Terms":"T\/T, Paypal","Supply Ability":"30000 Unit\/Units per Month compass sensor are avaliable","Packaging Details":"1pcs compass sensor in each box with safe sponge inside , 100pcs\/ctn","heading accuracy":"0.3\u00b0","Pitch accuracy":"0.1\u00b0<15\u00b0","Pitch range":"+\/-180deg","Interface port":"RS232\/RS485\/TTL","digital compass MTBF":"\u226540000 hours\/time","Production":"IP67"}}