N3 IMU GNSS Receiver-GNSS Receiver-ComNav Technology Ltd.

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Features

Support GPS, BDS-2, BDS-3, GLONASS, Galileo, QZSS, IRNSS 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 250 KHz channel spacing

Product Parameter

Performance

Physical

Communications

Performance

Channel	1198
Satellites tracking	GPS: L1 C/A, L2C, L2P, L5 BeiDou: B1I, B2I, B3I BeiDou Global Signal: B1C, B2a, B2b GLONASS: L1 C/A, L1P, L2 C/A, L2P Galileo: E1, E5a, E5b, E6, E5 AltBOC QZSS: L1C, L2, L5, L1C/A IRNSS: L5 SBAS: WAAS, EGNOS, MSAS, GAGAN, SDCM L-Band
Signal Re-acquisition	<1.5 s
Cold Start	<50s
Warm start	<30 s
Hot start	<15 s
RTK Initialization Time	<10s
Initialization reliability	>99.9%
Static and Fast Static	Horizontal 2.5 mm + 0.5 ppm RMS Vertical 5 mm + 0.5 ppm RMS
Real Time Kinematic	Horizontal 8mm + 1ppm RMS Vertical 15mm + 1ppm RMS
Long Observation Static	3 mm + 0.1 ppm Horizontal 3.5 mm + 0.4 ppm Vertical
DGPS	＜0.4m RMS
SBAS	1 m 3D RMS
Standalone	1.5m 3D RMS
PPP	10cm Horizontal and 20cm Vertical

Physical

Size (W × H)	Φ 15.5 cm × 7.3 cm
Weight	1.2 kg with two batteries
Working 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 & Dustproof	IP67, protected from temporary immersion to depth of 1m
Shock	Designed to survive a 2 m drop onto concrete
Input Voltage	6-28 VDC
Power Consumption	1.7 W
Li-ion battery capacity	2 × 3400 mAh, 7.4V, up to 24 hours typically
Memory	8 GB

Communications

Serial port (7 pin Lemo)	1 Baud rates up to 921,600 bps
Enhanced UHF modem	Tx/Rx with full frequency range from 410-470 MHz - Transmit power: 0.5-2 W adjustable - Range: 15 km
WIFI	802.11b/g/n
4G modem	LTE-FDD: B1/B2/B3/B4/B5/B7/B8/B12/B13/B18/B19/B20/B25/B26/B28 LTE-TDD: B38/B39/B40/B41
WCDMA	B1/B2/B4/B5/B6/B8/B19
GSM	B2/B3/B5/B8
Position data output rate	1 Hz, 2 Hz, 5 Hz, 10 Hz, 20 Hz
LEDs (indicating Satellites Tracking, RTK Corrections Data, GPRS Status and Power)	5
Function buttons for Power and Static Data Record	2
Bluetooth	V 4.0 protocol, compatible with Windows OS and Android OS
Calibration-free IMU integrated for Tilt Survey	Up to 60° tilt with 2.5 cm accuracy
Correction data I/O	RTCM 2.X, 3.X, CMR (GPS only), CMR+ (GPS only)
Position data output	ASCII: NMEA-0183 GSV, RMC, HDT, VHD, GGA, GSA, ZDA, VTG, GST; PTNL, PJK; PTNL, AVR; PTNL, GGK ComNav Binary update to 20 Hz