Supply Of Survey Instruments , Multi-Constellation And Multi-Frequency: Rtk Dgps Receivers With 1408 Channels Of Gnss Tracking, Rtk Dgps Receivers Provides Stable And Reliable Accuracy. All Gnss Signals Come With The Standard Including Gps, Bds, Glonass, Galileo, Qzss, Irnss C Sbas. Satellite Tracking: Glonass: G1, G2, G3 Galileo: E1, E5a, E5b, Altboc, E6 Qzss: L1c/A, L1c, L2c, L5, Lex, Sbas L-Band: Atlas Activated With Accuracy Atlas H10: 0.04M Hz, 0.08M Vz Channels: 1408 Minimum Hemisphere Made In Usa Main Board. Sbas Tracking: 3-Channel, Parallel Tracking Accuracy Specifications: Rtk: 8Mm + 1Ppm Hz , 15Mm + 1Ppm Vz Built-In: 4G Gsm, Bluetooth, Wifi, Webui Communication Module Imu Function 60 Degree Certificate Ce And Fcc Water/Dust Proof: Ip68 Shock Survive A 2 M Drop On Concrete Floor Display: Satellites, Datalink, Battery, Bluetooth Button: Power C Functions Buttons, Short Press To Voice Broadcast Status Batteries For Long Time Operation: Rtk Receiver Equipped With Rechargeable Built-In Battery. Working Time: Up To 20 Hours Charging Time: Typically 3-5 Hours L-Band Atlas: Atlas Services Rtk Dgps Receiver Is Able To Achieve 4Cm Level Accuracy Without Any Base Station. A-Rtk: Atlas Innovative Artk Technology Rtk-Level Accuracy, Availability, And Reliability When Rtk Corrections Fail Without Additional Cost. 5-Watt Internal Radio: The 5-Watt Internal Radio Modem Extremely Extends The Working Range Up To 25Km Radius. Frequency Range: 410 ~ 470 Mhz Protocol: Satel, Pcc, Trimtalk, Trimmark Iii, South, Hitarget , 02. Digital Vernier Caliper – ?Stainless Steel Material?The Vernier Caliper Is Made Of High-Strength Stainless Steel And Is Waterproof And Dirt-Proof. ?Accurate Measurement And Zero Setting?This Digital Caliper Glides Smoothly. Measuring Range: 0 -6 / 0-150Mm; Accuracy: ± 0.001/ 0.02Mm; Resolution: 0. 0005/0. 01Mm. ?4 Measurement Modes?The Digital Caliper Has 4 Measurement Modes, Which Can Be Used To Measure Inside And Outside Diameter, Depth, And Step With Two Sets Of Jaws And A Probe. ?Unit Conversion ?This Digital Calipers Have A One-Key Button To Quickly Switch From Inches (Inch) To Millimeters (Mm). ? Larger Lcd Screen ?The 6 Digital Caliper Has A Large, Easy-To-Read Lcd Display Which Is Easy To Use And Read Even Under Strong Sunlight. It Will Automatically Turn Off After 5 Minutes Of Non-Use To Save Power. , 03. Laser Distance Meter – 02 Nos. • Range : 0.05 To 100 Meters, • Measuring Accuracy : ±3 Mm, • Laser Type : 635 Nm, <1Mw • Battery : Aaa(2X1.5V), • Battery Life : Upto 5,000 Measurements, • Historical Storage : 20 • Temperature : -10°C ~ +50°C , 04. Digital Rodo Meter – 02 Nos. Freemans Test C Measure 10Km Digital Measuring Wheel/Roadometer | Illuminated Lcd With Memory Function, Light And Durable 15Cm/6-Inch Abs Wheel With Pvc Tyre | Folding Stand And Carry Bag, Features: With Metric And Inch Dual System, With Digital Display And Memory, Humanity Design, Specifications: Color Black Yellow Silver, Material Aluminum Alloy Pc, Features Max. Measuring Distance: 9999.99M, Accuracy: /-0.5%, Minimum Display Value: 0.01M; Powered By 2 X Aaa Batteries (Not Included); Wheel Diameter: 15.7Cm, Lcd Display 1.5, Application One Person Operation, Automatically Records , Measurements While User Walks, Suitable For Builders, Farmers, Road Contractors Etc., Other, Telescopic Handle: Max. 108Cm, Min. 57Cm , 05. Digital Altimeter – 02 Nos. The Device Is Based On The Technology Of Electronic Bearing Sensor And Barometric Sensor 8 In 1 Function: Digital Altimeter, With Digital Barometer, Digital Compass, Weather Forecast, Time, Calendar, Thermometer, And Backlight The Digital Altimeter Is Made For Outdoor Use, The Detachable String Makes The Digital Compass A Perfect Hand-Carry Device For Various Outdoor Activates It Will Give You Backlight When You Press Any Button Battery: By 2 X Aaa Batteries (Included)