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Multi functional intelligent mobile terminal

Multi satellite system high-precision positioning、satellite mobile phone

Scan、RFID、 Fingerprint recognition, facial recognition

Infrared thermography, temperature detection, toxic gas detection

Public network intercom, analog intercom, digital intercom（DMR）

Multiple data interfaces: RS232/485、RJ45、USB3.0、Type-C、HDMI

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Product Detail

QM320R High-Precision GNSS RTK Handheld Surveying Device

QM320R High-Precision GNSS RTK Handheld Surveying Device

The QM320R is a compact and high-performance GNSS RTK handheld device designed for professional surveying and geospatial applications. Featuring multi-constellation support including GPS, BeiDou, Galileo, and QZSS, it delivers reliable centimeter-level positioning accuracy in real time.

With built-in 4G connectivity, CORS support, and cloud data synchronization, the QM320R enables efficient field data collection, seamless data management, and precise measurement workflows. Its rugged design,

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Product Detail

The QM320R is a professional-grade high-precision GNSS RTK handheld device designed for surveying, mapping, and geospatial data collection. Equipped with advanced multi-constellation GNSS technology and integrated 4G connectivity, it delivers centimeter-level positioning accuracy in real time.

With built-in CORS support and cloud synchronization, the device ensures efficient, accurate, and seamless field operations across various industries.

RTK	BDS：B1I/B1C	L1+L5,4 system with 8 frequency points	system-wide and frequency point-wide
screw antenna	external four-arm spiral antenna	external four-arm spiral antenna	external four-arm spiral antenna
positioning accuracy	Single point: 3-5 m	Single point: 3-5 m; RTK：3cm	Single point: 3-5 m; RTK：2.5cm+1ppm
Update frequency	1Hz	1Hz	1Hz
tilt measurement	nonsupport		support
Measurement function	Analysis of Surrounding Area, Dot Area, Curve Length, Straight Line Length, and Topographic Elevation Difference
data logging	Route Navigation and Waypoint Navigation,SQLite3 database: 10,000 points per track, 100 points per route, 3,000 points per file; supports data export; supports GPX, CSV, CAD formats.
Coordinate format	Built-in support for common national geodetic coordinate systems including WGS84, Beijing 54, Xi'an 80, and CGCS2000, with user-defined coordinate systems also supported.
map	Offline map, MBTiles format (100-meter scale at city level) Online maps, Tianditu (20 meters), Bing Maps (5 meters), Google Maps and other road maps, terrain maps, and satellite images are not available in China.
operating system	LinuxQT
interface language	Chinese, English, Korean, and more (customizable based on client requirements)
communication	WIFI, Bluetooth, 4G CAT1 (customizable per client requirements)
display screen	3.2 inches, 240*320
size	70×143×36mm
Weight and shell material	271 grams; ABS
Battery and battery life	5000mAh lithium battery, lasting over 12 hours (minimum backlight)
levels of protection	IP65
working temperature	-20℃~70℃
Storage temperature	-20℃~70℃
sensor	Three-axis electronic compass, barometer, G-sensor
Interface and Function	Type-C, charging, USB 2.0
back clamp joint of center rod	not have	Yes, the camera tripod has a standard 1/4-inch to 20mm interface.

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Product Detail

With built-in CORS support and cloud synchronization, the device ensures efficient, accurate, and seamless field operations across various industries.

RTK	BDS：B1I/B1C	L1+L5,4 system with 8 frequency points	system-wide and frequency point-wide
screw antenna	external four-arm spiral antenna	external four-arm spiral antenna	external four-arm spiral antenna
positioning accuracy	Single point: 3-5 m	Single point: 3-5 m; RTK：3cm	Single point: 3-5 m; RTK：2.5cm+1ppm
Update frequency	1Hz	1Hz	1Hz
tilt measurement	nonsupport		support
Measurement function	Analysis of Surrounding Area, Dot Area, Curve Length, Straight Line Length, and Topographic Elevation Difference
data logging	Route Navigation and Waypoint Navigation,SQLite3 database: 10,000 points per track, 100 points per route, 3,000 points per file; supports data export; supports GPX, CSV, CAD formats.
Coordinate format	Built-in support for common national geodetic coordinate systems including WGS84, Beijing 54, Xi'an 80, and CGCS2000, with user-defined coordinate systems also supported.
map	Offline map, MBTiles format (100-meter scale at city level) Online maps, Tianditu (20 meters), Bing Maps (5 meters), Google Maps and other road maps, terrain maps, and satellite images are not available in China.
operating system	LinuxQT
interface language	Chinese, English, Korean, and more (customizable based on client requirements)
communication	WIFI, Bluetooth, 4G CAT1 (customizable per client requirements)
display screen	3.2 inches, 240*320
size	70×143×36mm
Weight and shell material	271 grams; ABS
Battery and battery life	5000mAh lithium battery, lasting over 12 hours (minimum backlight)
levels of protection	IP65
working temperature	-20℃~70℃
Storage temperature	-20℃~70℃
sensor	Three-axis electronic compass, barometer, G-sensor
Interface and Function	Type-C, charging, USB 2.0
back clamp joint of center rod	not have	Yes, the camera tripod has a standard 1/4-inch to 20mm interface.