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G990II Survey Gnss Land Surveying Measuring Instrument Rtk GPS
G990II Survey Gnss Land Surveying Measuring Instrument Rtk GPS
G990II Survey Gnss Land Surveying Measuring Instrument Rtk GPS
G990II Survey Gnss Land Surveying Measuring Instrument Rtk GPS
G990II Survey Gnss Land Surveying Measuring Instrument Rtk GPS
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G990II Survey Gnss Land Surveying Measuring Instrument Rtk GPS
G990II Survey Gnss Land Surveying Measuring Instrument Rtk GPS
G990II Survey Gnss Land Surveying Measuring Instrument Rtk GPS
G990II Survey Gnss Land Surveying Measuring Instrument Rtk GPS
G990II Survey Gnss Land Surveying Measuring Instrument Rtk GPS

G990II Survey Gnss Land Surveying Measuring Instrument Rtk GPS

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Product Description

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Basic Information

Model NO.
G990II
Product Name
G990II Gnss Receiver
Channels
1408 Channels
Frequency
Dual-Frequency
Chip
SiRF
Warranty
3 Years
Constellation
GPS, Glonass, Beidou, Galileo
Static Accuracy
2.5mm + 0.5ppm
RTK Accuracy
8mm + 1ppm
Memory
4GB Internal
Features
LED Screen, Tilt Sensor, Ebuble
Weight
0.97 kg
Origin
China
HS Code
9015800090
G990II GNSS Receiver
✓

Technical Specifications

Product Details Header
Specification Item Details
GNSS Performance Channels 1408 Channels
Satellite Signals GPS, BDS, GLONASS, Galileo, QZSS, SBAS, IRNSS, L-Band
Update Rate 50Hz
Accuracy Static H: 2.5mm+0.5ppm / V: 5mm+0.5ppm
RTK H: 8mm+1ppm / V: 15mm+1ppm
Tilt Survey 2cm (@60° Tilt)
IMU Update 400 Hz
Power Battery Built-in 7.2V/13600mAh, 97.92Wh
Life Timer Up to 12 hours
Communication UHF Radio TRM600, TX&RX, 410-470MHz, 12KM Range
Protocols SATEL, TrimTalk, TRIMMARK3, PCC-GMSK, South, HiTarget, etc.
Ports Type-C (Charging/Data), 5Pin (External Power/Radio)
Environment Protection IP68 Waterproof & Dustproof
Temperature Work: -45ºC ~ +75ºC / Storage: -55ºC ~ +85ºC
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Product Gallery

G990II Overview
G990II View 1 G990II View 2 G990II View 3
G990II Interface G990II Features G990II Usage
G990II Components
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Packaging & Delivery

Package Size
55.00cm * 45.00cm * 70.00cm
Gross Weight
30.000kg
Capacity
20,000 PCS / Year
Set Detail
1 Set packed in 2 Cartons
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Frequently Asked Questions

1. How many channels does the G990II GNSS receiver support? The G990II supports 1408 channels, ensuring stable and fast satellite signal tracking.
2. What is the battery capacity and operating time? It features a built-in 13,600mAh battery (97.92Wh) providing approximately 12 hours of continuous operation at room temperature.
3. Does the G990II support tilt surveying? Yes, it is equipped with an IMU Tilt Sensor that allows for measurement at up to a 60° tilt with an accuracy of approximately 2cm.
4. What is the protection rating for harsh environments? The device is rated IP68, making it fully dustproof and waterproof, and it can withstand a 2-meter fall onto hard ground.
5. Which satellite constellations are compatible with this receiver? It is compatible with all major constellations including GPS, GLONASS, BeiDou (BDS), Galileo, QZSS, SBAS, and IRNSS.
6. What type of radio datalink does it use? It uses the TRM600 UHF radio with a frequency range of 410-470MHz and a working range of up to 12KM.

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