N3 IMU GNSS Receiver

Featuring 1198 channels of tracking all running and planned constellations, enhanced UHF for up to 15km working range, improved high precision IMU, low power consumption and over 24 hours working time, the N3 receiver making it work-efficient and energy-saving for your survey tasks.

More Info Specifications Order

Features

Support GPS, BDS-2, BDS-3, GLONASS, Galileo, QZSS and SBAS tracking.
25 hours long-lasting batteries.
Up to 15km work range with 2W power consumption with enhanced UHF
IP67 water and dust proof level for harsh environments.
Improved IMU of simpler initialization and high accuracy.
Industry-leading 1.7W low power consumption.
Powerful web UI to easily download static data & upgrade firmware.
Support WiFi/4G/Bluetooth/UHF transmission.

New K8-platform

Integrated with new K8-platform, N3 equipped with powerful tracking capability for more than 50 satellites, stronger computing capability and lower power consumption.

Upgraded IMU

Adopted the improved INS algorithm, the second generation of IMU obtains simpler initialization process and 2cm high accuracy.

Enhanced UHF

Up to 15km long work range with 2W power consumption, making it work-efficient and energy-saving for your survey tasks. Integrated UHF ranges from 410 to 470 MHz with 12.5 KHz channel spacing.

Technical specifications

Signal Tracking
Channels:	1198
GPS:	L1 C/A, L2C, L2P, L5
BeiDou:	B1, B2, B3
BeiDou Global Signal:	B1C, B2a
GLONASS:	L1 C/A, L1P, L2 C/A, L2P
Galileo:	E1, E5a, E5b, AltBOC, QZSS, IRNSS1
SBAS:	WAAS, EGNOS, MSAS, GAGAN
L-Band2

Performance Specifications
Cold start	<50s
Warm start	<30s
Hot start	<15s
Initialization time	10s
Signal re-acquisition	<1.5s
Initialization reliability	Typically>99.9%

Positioning Specifications
Mode	Accuracy
Static and Fast Static	2.5 mm + 0.5 ppm Horizontal 5 mm + 0.5 ppm Vertical
Long Observations Static	3 mm + 0.1 ppm Horizontal 3.5 mm + 0.4 ppm Vertical
Real Time Kinematic	8 mm + 1 ppm Horizontal 15 mm + 1 ppm Vertical
DGPS	< 0.4 m RMS
SBAS	1 m 3D RMS
Standalone	1.5 m 3D RMS
PPP	10cm Horizontal and 20cm Vertical

Communications
Communication port	1 Serial port (7 pin Lemo) – Baud rates up to 921,600 bps
UHF modem	Tx/Rx with full frequency range from 410-470 MHz Transmit power: 0.5-2W adjustable Range: 1-5km
WIFI/4G modem	4G Bands: 800/900/1800/2100/2600 MHz 3G Bands: 900/2100 MHz 2G Bands: 900/1800 MHz Support GSM, Point to Point/Points and NTRIP
Positioning data outputs	1HZ, 2HZ, 5HZ, 10HZ, 20HZ
Indicating light	2 LEDs (indicating Satellites Tracking and RTK Corrections data) 1 OLED Display and 2 Function buttons
Bluetooth^®	V 4.0 protocol, compatible with Windows OS and Android OS
Sensor	Tilt sensor
IMU	Calibration-free IMU integrated for Tilt Survey
Tilt	Up to 60°tilt with 2.5 cm accuracy

Data Format
Data inputs/outputs	Correction data I/O: RTCM2.x, 3.x,CMR(GPS only), CMR+(GPS only)
Position data outputs	ASCII: NMEA-0183 GSV, RMC, HDT, VHD, GGA, GSA, ZDA, VTG, GST; PTNL, PJK; PTNL, AVR; PTNL, GGK ComNav Binary update to 20Hz

Physical
Size(W×H)	15.5 cm × 7.3 cm
Weight	1.2 kg with two batteries

Environmental
Operating temperature	-40 °C to +65 °C (-40°F to +149°F)
Storage, temperature	-40 °C to +85°C (-40°F to +185°F)
Humidity	100% non-condensing
Waterproof and dust proof	IP67, protected from temporary immersion to depth of 1 m
Shock	Designed to survive a 2 m drop onto concrete

Electrical
Input Voltage	5-27 VDC
Power consumption	3.1 W(3 constellations)
Li-ion battery capacity	2×2000 mAh, Up to 9 hours typically
Memory	8 GB internal memory (16 GB and 32 GB is optional)

Software
Survey Master Android-based data collection software
Carlson SurvCE field data collection software (optional)
MicroSurvey FieldGenius field data collection software (optional)

Signal Tracking
Channels	1198
GPS	L1, L2, L2C, L5
BeiDou	B1, B2, B3
GLONASS	L1, L2
Galileo	E1, E5a, E5b
QZSS	Reserved
SBAS	WAAS, EGNOS, MSAS, GAGAN

Performance Specifications
Cold start	<50s
Warm start	<30s
Hot start	<15s
Initialization time	10s
Signal re-acquisition	<1.5s
Initialization reliability	Typically>99.9%

Positioning Specifications
Post Processing Static	Horizontal: 2.5 mm + 1 ppm RMS Vertical: 5 mm + 1 ppm RMS
Real Time Kinematic	Horizontal: 8 mm + 1 ppm RMS Vertical: 15 mm + 1 ppm RMS
E-RTK (<100km)	Horizontal: 0.2 m + 1 ppm RMS Vertical: 0.4 m + 1 ppm RMS
DGPS	< 0.4 m RMS
SBAS	1 m 3D RMS
Standalone	1.5 m 3D RMS

Communications
Communication port	1 x 7 pin lemo port (Combined Serial and USB function) Baud rates up to 921600bps for serial
Radio modem	Tx/Rx with full frequency range from 410-470 MHz Transmit power: 0.5-2W adjustable Range: 1-5km
WIFI/4G modem	4G Bands: 800/900/1800/2100/2600 MHz 3G Bands: 900/2100 MHz 2G Bands: 900/1800 MHz Support GSM, Point to Point/Points and NTRIP
Positioning data outputs	1HZ, 2HZ, 5HZ, 10HZ, 20HZ
Indicating light	5 LEDs (indicating Power, Satellite Tracking, GPRS Status and Differential Data)
Bluetooth^®	V 4.0 protocol, compatible with Windows OS and Android OS
Sensor	Tilt sensor

Data Format
Data inputs/outputs	Correction data I/O: RTCM2.x, 3.x,CMR(GPS only), CMR+(GPS only)
Position data outputs	ASCII: NMEA-0183 GSV, RMC, HDT, VHD, GGA, GSA, ZDA, VTG, GST, PJK, PTNL ComNav Binary update to 20Hz

Physical
Size(W×H)	15.8cm×7.5cm
Weight	0.95kg(include two batteries)

Environmental
Operating temperature	-40 °C to +65 °C (40°F to +149°F)
Storage, temperature	-40 °C to +85°C (40°F to +185°F)
Humidity	100% non-condensing
Waterproof and dust proof	IP67 protected from temporary immersion to depth of 1 meter, floats
Shock	Survives a 2-meter drop on to concrete

Electrical
Input Voltage	5-27 VDC
Power consumption	3.1 W(3 constellations)
Li-ion battery capacity	2×2000 mAh, Up to 9 hours typically
Memory	8 GB internal memory (16 GB and 32 GB is optional)

Software
CGSurvey	ComNav’s field data collection software
Survey Master	ComNav’s Android-based field data collection software
FieldGenius (optional)	MicroSurvey’s FieldGenius field data collection software
SurvCE (optional)	Carlson’s field data collection software