Gnss Kolida K20s IMU

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Gnss Kolida K20s IMU "smallest", compact body, integrating advanced technology, superior measurement performance in one, saving time and effort and leading the trend.

Start now, start your RTK "small" revolution and experience the hardcore, compact, powerful and flexible ultimate experience. New Gnss Kolida K20s IMU Equipped with K803-V2 board, 1598 Channels. Upgrade to more fast and compatible 4G module Battery pole supports to work for a whole day. Super Linux platform, to achieve a breakthrough in functionality: built-in radio transceiver integration, breaking distance restrictions; dual battery power supply, extended battery life; smart storage, 4G Netcom, intelligent voice, network management and a series of functions, let the intelligence penetrate into the mapping Every detail.

VIDEO Check System Info


VIDEO Inertial measurement system


VIDEO English voice-over


VIDEO Language Setting




VIDEO Restore Factory Defaults


VIDEO Self Check


VIDEO Setting work mode


VIDEO Set PPK Recording Status


VIDEO Voice guide setting


2cm/ 60° Tilt Survey Technology.

1598 Channels

All Constellation Signal Tracking.

8 km

Typical Built-in UHF Radio Working Range.

Models: K20s: Innovations 10 New Programs

1598 channels GNSS Mainboard, All Constellations supported. Inertial measurement technology, OLED screen display


GNSS K20s IMU characteristics

■ 1598 GNSS channels

-GPS L1C/A, L1C, L2C, L2E, L5


-BeiDou B1, B2, B3

-Galileo GIOVE-A, GIOVE-B, E1, E5A, E5B


Initialization: time <10s, reliability >99.99%

Supported data formats:

CMR+, CMRx, RTCM 2.1, RTCM 2.3, RTCM 3.0, RTCM 3.1, RTCM 3.2

Output data formats:

NMEA 0183, PJK plane coordinates, Binary code, Trimble GSOF

Positioning Accuracy

Code differential GNSS positioning

Horizontal: ±0.25m+1ppm

Vertical: ±0.50m+1ppm

SBAS positioning accuracy: typically<5m 3DRMS


Horizontal: ±2.5mm+0.5ppm

Vertical: ±5mm+0.5ppm

Real-time kinematic (RTK)

Horizontal: ±8mm+1ppm

Vertical: ±15mm+1ppm

Network RTK

Horizontal: ±8mm+0.5ppm

Vertical: ±15mm+0.5ppm

RTK initialization time


Physical characteristics


17.5 x 17.5 x 8.3 cm


1.33 kg (2 batteries included)

User interface

Five Indicator lights

Two buttons

Linux System

I/O interface

5PIN LEMO external power port+RS232

7PIN external USB(OTG)+Ethernet

Bluetooth 2.1+EDR standard

Bluetooth 4.0 standard, support android, ios connection


8GB SSD internal storage

Support external USB storage (up to 32 GB)

Automatic cycle storage

Changeable record interval

Up to 50Hz raw data collection


RTK rover & base

RTK network rover: VRS, FKP, MAC

NTRIP, Direct IP


Environmental characteristics

Operating temperature: -45°to +60°C

Storage temperature: -55°to +85°C

Humidity: 100% condensing

IP67 waterproof, sealed against sand and dust

Drop: 2m pole drop on concrete

Power characteristics

Buit-in Li-Ion battery, 7.4 V, 10000 mAh

Battery life:>14h (static mode)>10h (internal UHF base mode)>12h (rover mode)

External DC power: 9-25 V

UHF Radio characteristics

Built-in radio 120 Channels

Frequency Range 410-470MHz

Protocol:TrimTalk450s, TrimMark3, SOUTH (KOLIDA)

1W/2W/3W switchable

typically working range 7-8km

“Barrier-Free” Measurement Technology: Repeater/ Router/ CSD mode

Cellular module characteristics


Compatible with 4G GPRS/EDGE


Configure and monitor receiver by web server via Wi-Fi or USB cable


Close range (shorter than 10cm) automatic pair between receiver and controller (need NFC chip in controller)


802.11 b/g standard

Hotspot: allow device to access in

data link: broadcast differential data

Voice Guide

intelligent voice technology provides status indication and operation guide

Chinese, English, Korean, Russian, Portuguese, Spanish, Turkish and user define

Standard system components

K20s IMU Receiver

Li-Ion battery

Charger and adapter

All-direction antenna

Tape measure

30 cm pole extension

7-pin to OTG cable

Engineering Star (Windows)

Engineering Star (Android)

1 year warranty

Optional system components

External Radio (410-470 MHz, 5-35W)

Battery Case SA-6003

Data collectors

-T17 (Windows)

-H6  (Android)

-s50 (Android)

Field software

-Field Genius (Windows) - SurvX(Android)

1-2 year warranty extension