Gnss Kolida K3 IMU

  • Description
  • Future
  • Specifications

Extra small size, 930 channels, support all constellations, BEIDOU signal receiving capability enhanced

Extra small size, 930 channels, support all constellations, BEIDOU signal receiving capability enhanced



Make It Small to - Minimize Fatigue

The diameter of the K3 is only 13cm, height only 8.53cm, and the weight is only 820g. It is as small as an apple that you can even put it into your pocket.


    930 channels - Enhanced BEIDOU.

K3 is equipped with a high performance 930 channels GNSS board which is capable to support multiple satellite constellations: GPS, GLONASS, BEIDOU and GALILEO, including the latest Beidou-3 system.




High Technology Integration


GNSS antenna, Bluetooth, wifi module are integrated into one board, which helps to save the internal space of K3, making the signal better and performance more stable.


all weather

Fully-sealed Rugged & Durable


K3 is able to withstand 2 meters pole drop onto the cement ground naturally and fully protected against blowing dust.

4 hours quick charge is enough to enable K3 a 14 hours of using time.


New Case - Easy to Carry

The dimension of the new carrying case of K3 is only 37cm x 30.5cm x 16.9 cm,

with instrument inside it weights only 4.9kg. The case is made of wear-resistant materials.



Practical Functions

See what others can't. K3 employs Linux system, it helps surveyors to accomplish their missions easier, faster and more accurate by delivering exceptional quality and innovative features. 


New app.   New Productivity

Windows CE data controller is too old technology? 

No problem. Simply download SurvX App on your smart phone or tablet.

Enjoy the smooth operation of Android platform !


Post-processing Sw.   Free of Charge

KOLIDA GEO Office integrates 

static data processing & Kinematic data adjustment



Satellite Tracking Ability

Channels 181

ConstellationGPS, GLONASS, BEIDOU, GALILEO, SBAS MSS L-BandPreserved
Positioning Output Rate1Hz-50Hz Initialization Time<10s


Positioning Precision

UHF RTK Horizontal ±8mm + 1 ppm

Vertical  ±15mm + 1ppm

Network RTK

Horizontal ±8mm + 0.5ppm

Vertical ±15mm+0.5ppm

RTX Horizontal ±2cm

Vertical      ±5cm 

Static and Fast Static

Horizontal ±2.5mm + 0.5ppm

Vertical  ±5mm + 0.5ppm

RTK Initialization Time


User Interaction

Operation SystemLinux

Web UI       Yes  Wifi          Yes 
Voice Guide


Data Storage

8GB internal; up to 32GB external.

Working Capability

RadioBuilt-in receiving

Tilt Survey
Electronic BubbleYes

>14 hours (static mode), 10to 14 hours (rover mode)

OTG Function (Field Download)


Other Function  Mobile Reference Station (wifi)