hdop limitation survey grade gps equipment

{"cid":"91146927","title":"GPS Speed Limiter Industrial Grade and Designed Speed Limit In Factory Premises","imgUrl":"https:\/\/img.chinax.com\/nimg\/20\/c9\/6568604ee1062136c786003b043b-200x200-1.jpg","attrs":{"Price":"negotiation","Brand Name":"YTWL","Model Number":"CA100F","Minimum Order Quantity":"10 pcs","Delivery Time":"1-10 working days after received your payment","Certification":"CE\/ROHS\/FCC\/SGS","Place of Origin":"China","Payment Terms":"T\/T or western Union or paypal","Supply Ability":"100,000pcs per month","Packaging Details":"Packed in carton firstly","Product Name":"CA100F speed limiter","Processing Chip":"ARM","Network":"GSM\/GPRS\/GPS","Anti-jamming":"Strengthened Anti-jamming","GPS sensitivity":"-159dBm","GPS accuracy":"5 m","Storage Temp.":"-40\u00b0C to +85\u00b0C","GPS Precision":"10m\uff082D RM\uff09","Time To First Fix":"Reacquisition 0.1s"}}

{"cid":"91220045","title":"Rescue Drone Can Carry Lifebuoys and Payload with 4k Camera and Gps Long Range Drones","imgUrl":"https:\/\/img.chinax.com\/nimg\/c2\/b8\/1f1b5a2fbfb27e0ec3b9aee861e8-200x200-1.jpg","attrs":{"Price":"288","Brand Name":"ZAi","Model Number":"ZAi-M300","Minimum Order Quantity":"1-1000pcs","Delivery Time":"2(sample)~30 working days(order)","Name":"ZAi Engineering Drone","Operating Temperature Range":"-5-40\u2103","Load":"3kg","Take Off Weight":"About 3178g","Flight Control":"Compatible With Mavlink Protocol Flight Control","Maximum Ascend Speed":"5m\/s","Max Service Ceiling Above Sea Level":"5000m","Thermal Imaging":"Yes","Flight time":"46 minutes","Software & Hardware Custom":"Support","Flight Duration Custom":"Support","Stocked":"Yes","Certification":"CE ROHS FCC ...","Place of Origin":"China mainland","Payment Terms":"T\/T,Paypal\/USDT...","Supply Ability":"500~1000pcs per day","Packaging Details":"standard packing\/ customized packing"}}

{"cid":"91219614","title":"IPhone 8 Plus\/7 Plus\/6S Plus\/6 Plus Handheld Housing - Slim And Lightweight 7.2 Ounces","imgUrl":"https:\/\/img.chinax.com\/nimg\/ab\/cb\/53e08d4924363550ef0f6ee11487-200x200-1.jpg","attrs":{"Brand Name":"Handheld Housing","Model Number":"PH","Place of Origin":"China","Features":"Built-in Kickstand","Compatibility":"IPhone 8 Plus\/7 Plus\/6S Plus\/6 Plus","Color":"Black","Protection":"Shockproof And Scratch-resistant","Drop Resistance":"Up To 6.6 Feet","Heat Dissipation":"Heat-dissipating Design","Accessibility":"Full Access To All Ports And Buttons","Durability":"High-grade Aluminum"}}