Product: Packing Details: 2.For product within the warranty period,please send us photos to show the problem.And then we will decide to send you parts or you send the instrument back to us to repair.We will be responsible for the double-run freight and other cost.Please make sure to contact us first instead of sending the damaged parts direct to us. 4.For all instrument we provide life-long technical support.Remark:Improper use of   the instrument and man-made damage of the instrument is not coverd in warranty liablity.Warranty  only aimed at the problem caused by the product quality. Features of disposable masks:
5. Physical ultrasonic welding, densification of welding points, strong and durable, fine workmanship.
Features of KN95 masks:
1. Disposable KN95 masks, sanitary and convenient for using. Disposable mask Jiangsu Yutong Drying Engineering Co.,Ltd , http://www.ytdryer.comGNSS RTK Hi-target V90 RTK Trimble Mainboard Surveying RTK GPS Base and Rover (V90)
With a hi-tech, fully integrated design, the conveniently sized V90Plus is one of the most flexible choices for any measuring task. Built-in Linux3.2.0 operating system, pre-loaded multiple smart applications such as tilt surveying, electronic bubble calibration, NFC and voice DIY, V90Plus GNSS system provides surveyor industry-leading GNSS solutions.
The transceiver UHF radio enables switchable working modes between base and rover.
4 Multi-network Connection
Supports GPRS, GSM and WCDMA, Supports WIFI
5 Powerful Battery
Powered by high-capacity (5000mAh) Li-ion battery to ensure full day operation
6 Rugged Design
IP68 dustproof and waterproof, able to survive a 3-meter natural fall onto concrete
555 tracking channel
Communications:
1)Network
Wifi frequency is 2.4G, supports 802.11b/g/n protocolÂ
3)HI-TARGET External UHF Radio
Model
V90Â
System Configuration
Data storage
8GB Internal storage (Support up to 32GB external SD card)
Record GNS and RINEX format simultaneouslyÂ
Data FormatsÂ
1Hz positioning output, up to 50HzÂ
CMR: CMR, CMR+, sCMRx input and output RTCM: RTCM 2.1, 2.2,2.3, 3.0, 3.1, 3.2 input and output Navigation outputs ASCII: NMEA-0183 GSV, AVR, RMC, HDT, VGK, VHD, ROT, GGK, GGA, GSA, ZDA, VTG, GST, PJT, PJK, BPQ, GLL, GRS, GBS Navigation outputs binary: GSOFÂ
Satellite Signals Tracked SimultaneouslyÂ
Channels
220
BDS
B1,B2
GPS
 Simultaneous L1C/A, L2C, L2E, L5Â
GLONASS
Simultaneous L1C/A, L1P, L2C/A (GLONASS M only), L2PÂ
SBAS
Simultaneous L1 C/A, L5Â
GALILEO
Simultaneous L1 BOC, E5A, E5B, E5AltBOCÂ
Static and Fast Static GNSS Surveying
Horizontal
 2.5mm+0.5ppm RMSÂ
VerticalÂ
5mm+0.5ppm RMS
Post Processing Kinematic (PPK / Stop & Go) GNSS SurveyingÂ
Horizontal
1cm+1ppm RMS
VerticalÂ
2.5cm+1ppm RMSÂ
Initialization timeÂ
Typically 10 minutes for base while 5minutes for rover
Initialization reliability
Typically > 99.9%Â
Network RTKÂ
Horizontal
8mm+1ppm RMSÂ
VerticalÂ
15mm+0.5ppm RMSÂ
Initialization timeÂ
Typically < 8secondsÂ
Initialization reliability
Typically > 99.9%Â
Code Differential GNSS PositioningÂ
Horizontal
25cm+1ppm RMS
VerticalÂ
50cm+1ppm RMSÂ
SBAS
0.50m Horizontal, 0.85m VerticalÂ
Power and Battery
Power
6V to 28V DC external power input,Power consumption ≤3.5WÂ
Internal battery
Rechargeable, removable 7.4V, 5000mAh Lithium-ion battery
Internal battery life
Static 12hours
RTK rover (UHF/GPRS/3G) 10 hours RTK base more than 8 hoursÂ
I/O InterfaceÂ
1 xBluetooth, NFC ,1 x standard USB2.0 port ,1 x TNC antenna connector,1 x RS232 serial port ,1 x DC power input (5-pin)Â ,1 x MicroSD card portÂ
Physical
Dimensions (W x H)Â
153mm x 83mm (6.02inch x 3.27inch)Â
Weight(without internal battery)
950g (2.09lb)Â
Operating temperature
-40ºCto +65ºC (-40ºF to +149ºF)Â
Storage temperature
-55ºC to +85ºC(-67ºF to +185ºF)Â
HumidityÂ
100%, consideringÂ
Water/dustproof
IP67 dustproof, protected from temporary immersion to depth of 1m (3.28ft).Â
Shock and vibration
Designed to survive a 3m(9.84ft) natural fall onto concrete.Â
Handheld Specifications:
Model
iHand20
GETAC PS336
System Configuration
OS
Android 4.2
Windows mobile 6.5
Processor
MT6589, 1.5GHz, 4core
TIAM3715, 1GHz
RAM
1GB
512MB
Flash memory
4 GB
8 GB
Communication interface
Bluetooth,Mini USB,WIFI:802.11b/g,MicroSD card slot, support up to 32 GB
Dual Sim Dual Standby, support 2G and 3GBluetooth,9-pin serial port,4-pin docking connector,Mini USB,WIFI:802.11b/g,MicroSD card slot, support up to 32 GB
Physical
Power
3.7V, 6300mAh lithium battery, up to 25 hours continuous work
3.7V, 5600mAh lithium battery, up to 12 hours continuous work
Size
213mm x 89mm x 35mm
178mm x 89mm x 30mm
Weight
520g (with battery)
520g (with battery)
Operating temperature
-20ºC to +55ºC
-30ºC to +60ºC
Storage temperature
-30ºC to +65ºC
-40ºC to +70ºC
Water/dustproof
IP68
IP68
Anti-shock
1.2m natural fall
1.82m natural fall
1 set packed in 3 cartons: 45*40*25cm (7kg),45*40*25cm (7kg), 17*14*145cm(5kg)
Our warranty policy:
1. For instruments (total station,theodolite,GNSS,auto level), we offer 1 year warranty,for accesories(Prism,pole,tripod ,levelling staff).we offer 6 months warranty,from the day you get the product.
3.For problem out of the warranty period or warranty liability,we will judge the probelm and quoted for you.You need to pay double-run freight and the maintenace cost.
1. 3 layers of protection: non-woven outer layer + meltblown layer + skin friendly non-woven inner layer. Breathable and comfortable, low breathing resistance.
2. The plastic strip of bridge of nose hides the side of bridge of nose. More suitable for all face types.
3. High elastic flat ear straps: will not strain the ears.
4. Inner layer: skin friendly non-woven fabric; soft and comfortable to reduce the possibility of skin allergies.
2. Made of high quality material, safe, soft and comfortable.
3. 95% filtration, nd anti-dust protection for you.
4. Protect you from airborne particulates and pollution.
5. Elastic straps and adjustable nose clip for different face shapes and sizes. Perfect for daily use and outdoor activities.
6. Anti droplet transmission
7. Anti pollution
8. Anti-Dust
9. Anti PM2.5
Gnss Rtk Receiver Hi-Target V90 Trimble Mainboard Surveying Rtk GPS Base and Rover (V90)
Model NO.: Hi-target V90
Trademark: Hi-target
Specification: 153mm x 83mm (6.02inch x 3.27inch)
Origin: China
HS Code: 9031809090
Key features:
1)Â Advanced GNSS engines
2) Support GPS, GLONASS, BDS, GALLILEO
3) Tilt sensor and electronic bubble integrated
4) NFC and WiFi functionality
Detail advantage functions
1 Multi-constellation Tracking
1)Â 555 tracking channel(optional)
2) NGS approved full-wave GNSS antenna
3) Supports GPS,GlONASS,GALILEO,BDS,SBAS
4) Supports a wide range of satellite signals
5) A large receiving area designed for multipath mitigation
6) Air dielectric is light and stable
2 Smart Application
1) Offers tilt survey with a maximum tilt angle of 30 degrees
2) Supports electronic bubble
3) Intelligent voice assistance guides field operation.Voice can be DIY
4) Standard Rinex data and HI-TARGET raw data recorded simultaneously
3 Transceiver UHF Radio Â
Optional item:
Fully integrated, fully sealed internal WCDMA, compatible with GPRS, GSMÂ
Network RTK (via CORS) range20-50kmÂ
2)HI-TARGET Internal UHF Radio
Frequency : 450~470MHz with 116 channelsÂ
Transmitting power : 0.5W, 1W, 2W adjustableÂ
Transmitting speed : 9.6Kbps, 19.2KbpsÂ
Working range : 5km typical, 8~10km optimalÂ
Frequency : 460MHz with 116 channelsÂ
Transmitting power : 5W, 10W, 20W, 30W adjustableÂ
Transmitting speed : Up to 19.2KbpsÂ
Working range : 8~10km typical, 15~20km optimalÂ
4)Pacific Crest XDL Micro Internal UHF Radio (optional)Frequency : 403~473MHzÂ
Transmitting power : 0.1W, 1W adjustableÂ
Transmitting speed : 9.6bbps,19.2KbpsÂ
Support most of radio communication protocolÂ
Working range : 3~5km typical, 8~10km optimalÂ
5)Pacific Crest ADL Vantage Pro External UHF Radio  (optional)
Frequency : 390~430MHz or 430~470MHzÂ
Transmitting power : 4W to 35W adjustableÂ
Transmitting speed : Up to 19.2KbpsÂ
Support most of radio communication protocolÂ
Working range : 8~10km typical, 15~20km optimalÂ
Specifications: