Controller Performance Specifications

iHand20

system configuration

OS:Android 4.2 

Processor:MT6589,1.5GHz,4core

RAM:1GB

Flash memory:4GB

Communication interface 

Bluetooth

NFC

Mini USB

WIFI:802.11b/g

MicroSD card slot,support up to 32GB

Dual Sim Dual Standby,support 2G and 3G

Power supply

3.7V,6300mAh lithium battery,up to 25 hours

continuous operation

Physical properties

Intergrated keyboard

Size:213mm×89mm×35mm

Weight:520g(with battery)

Operating temperature:-20ºC+55ºC

Storage temperature:-30ºC+65ºC

Water/dustproof:IP68

Anti-shock:1.2m natural fall

V90 PERFORMANCE SPECIFICATIONS

Statellite Signals Tracked Simultaneously

Channel

220 Channels

GPS

Simultaneous L1C/A, L2C, L2E, L5

GLONASS

Simultaneous L1C/A, L1P, L2C/A, (GLONASS M only), L2P

SBAS

Simultaneous L1C/A, L5

Galileo

Simultaneous L1 BOC, E5A, E5B, E5AltBOC1

BDS

B1, B2

QZSS

L1C/A,  L1 SAIF, L2C, L5

POSITIONING PERFORMANCE2

Static and Fast Static GNSS Surveying

Horizontal

2.5mm+0.5ppm RMS

Vertical

5mm+0.5ppm RMS

Post Processing Kinematic (PPK / Stop & Go ) GNSS Surveying

Horizontal

1mm+1ppm RMS

Vertical

2.5mm+1ppm RMS

Initialization time

Typically 10 minutes for base while 5 minutes for  rover

Initialization reliability

typically > 99.9%

Real time Kinematic (RTK) surveying

Single Baseline

Horizontal

8mm+1ppm RMS

Vertical

15mm+1ppm RMS

Network RTK

Horizontal

8mm+1ppm RMS

Vertical

15mm+1ppm RMS

Initialization time

 typically < 8 seconds

Initialization reliability

typically > 99.9%

Code Differential GNSS Positionnig

Horizontal

25cm+1ppm RMS

Vertical

50cm+1ppm RMS

SBAS

0.50m Horizontal, 0.85m Vertical

COMMUNICATION

Network Communication

Fully integrated, fully sealed internal WCDMA, compatible with GPRS, GSM 
Wifi frequency is 2.4G, supports 802.11b/g/n protocol802.11b/g/n 
Network RTK (via CORS) range20-50km 

HI-TARGET Internal UHF Radio(Standard) 

Frequency

450~470MHz with 116 channels 

Transmitting power

1W,2W, 5W adjustable 

Transmitting speed

9.6Kbps, 19.2Kbps 

Working range

5km typical, 8~10kmoptimal 

HI-TARGET External UHF Radio(Standard)

Frequency

460MHZ with 116 channels

Transmitting power

5W,10W,20W,30W adjustable

Transmitting speed

Up to 19.2Kbps

Working range

8~10km typical,15~20km optimal

HARDWARE

Physical

Dimensions(W×H)

153mm×83mm(6.02inch×3.27inch)

Weight

950g(2.09(b)without internal battery

Operating temperature

-40ºC to+65ºC(-40ºF to+149ºF)

Storage temperature

-55ºC to+85ºC(-67ºF to+185ºF)

Humidity

100%,considering

Water/dustproof

IP67 dustproof,protected from temporary 
immersion to depth of 1m(3.28ft)

Shock and vibration

Designed to survive a 3m(9.84ft) 
natural fall onto concrete

Electrical

Power 6V to 28V DC external power input

Power consumption≤3.5W

Automatic switching between internal power and external power

Rechargeable,removable 7.4V,
5000mAh Lithium-ion battery in internal battery compartment

Internal Battery Life

Static more than 10 hours

RTK rover (UHF/GPRS/3G)6-10 hours

RTK base more than 6 hours

I/O Interface

Bluetooth, NFC

×1

standard USB2.0port

×1

TNC antenna connector

×1

RS232 serial port

×1

DC power input (5-pin)

×1

MicroSD card port

×1

Tilt Survey System

Electronic Bubble

SYSTEM CONFIGURATION

SYSTEM

Data storage

16GB internal storage+Internal Micro SD 
Card memory (Support up to 32GB extension)

Record GNS and Rinex format simultaneously