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I90 Diferencial CHC X12 RTK GNSS Receiver Integrated 4G Modem

Basic Information
Place of Origin: China
Brand Name: CHCNAV
Certification: CE
Model Number: i90
Minimum Order Quantity: 1pcs
Price: Negotiable
Packaging Details: suitcase and carton
Delivery Time: 5-10day
Payment Terms: T/T, Western Union
Supply Ability: 10pcs/day
Detail Information
Channels: 624 Channels GPS Galileo: L1 C/A, L2C, L2P, L5 E1, E5a, E5b
Model: CHCNAV I90 Name: CHCNAV X12
Type: Cheap Price Network Modem: Integrated 4G Modem
GLONASS: L1, L2 BeiDou: B1, B2, B3
QZSS: L1, L2, L5 Real Time Vertical: 15 Mm+ 1 Ppm RMS
High Light:

4G modem RTK GNSS Receive


624 channels RTK GNSS Receive


624 channels rtk gnss system

Product Description

Product Description

2022 new model cheap CHC GNSS Receiver i90 CHCNAV Diferencial GNSS RTK Base and Rover CHC X12 price:


I90 Diferencial CHC X12  RTK GNSS Receiver Integrated 4G Modem 0I90 Diferencial CHC X12  RTK GNSS Receiver Integrated 4G Modem 1I90 Diferencial CHC X12  RTK GNSS Receiver Integrated 4G Modem 2I90 Diferencial CHC X12  RTK GNSS Receiver Integrated 4G Modem 3

I90 Diferencial CHC X12  RTK GNSS Receiver Integrated 4G Modem 4

Technical parameter
GNSS Performance (1)
Channels 624 channels
  Integrated 4G modem
  LTE (FDD):B1,B2,B3,B4,B5,B7,B8,B20
Network modem DC-HSPA+/HSPA+/HSPA/UMTS:
  B1, B2, B5, B8
L1 C/A, L2C, L2P, L5
E1, E5a, E5b
BeiDou B1, B2, B3
Bluetooth ® v4.1
QZSS L1, L2, L5
GNSS Accuracies (2)
  Horizontal: 8 mm+ 1 ppm RMS
Real time Vertical: 15 mm+ 1 ppm RMS
kinematics (RTK) Initializationtime: < 10 s
  Initialization reliability: >99.9%
Post -processing kinematics (PPK) Horizontal: 2.5 mm+ 1 ppm RMS
Vertical: 5 mm+ 1 ppm RMS
Standard Internal Rx/Tx: 410 - 470 MHz Transmit Power: 0.5 W to 2 W
UHFradio Protocol: CHC,Transparent, TT450, 3AS
Link rate: 9600 bps to 19200 bps
Range: Typical 3 km to 5 km
Post - processing static Horizontal: 2.5 mm+ 0.5 ppm RMS
Vertical: 5 mm+ 0.5 ppm RMS
Code differential
Positioning rate
Horizontal: 0.25 m RMS
Up to 10 Hz
Autonomous Horizontal: 1.5 m RMS Vertical: 3 m RMS
Data storage 32 GB internal memory
Cold start: < 45 s Time to first fix (3) Hot start: < 10 s
Signal re-acquisition: < 1 s
Power consumption 5 W (depending on user settings)
RTK tilt - compensated Additional horizontal pole-tilt uncertainty
typically less than 10 mm+ 0.7 mm/° tilt
159 mmx 150 mmx 110 mm
Size (L x W x H)
Ingress protection
(6.3 in × 5.9 in × 4.3 in)
Operating: -40°C to +65°C (-40°F to +149°F)
Storage: -40°C to +85°C (-40°F to +185°F)
IP67 waterproof and dustproof, protected from temporary immersionto depth of 1 m
Weight 1.26 kg (2.77 lb)
Humidity 100% condensation
Shock Survive a 2-meter pole drop
Tilt sensor Calibration- free IMUfor pole- tilt compensation. Immune to magnetic disturbances.
E-Bubble leveling
Front panel 4 LEDindicates 1.46'' OLEDDisplay
Packaging & Shipping

Economical 2


Our Services

1. Warranty: 12 months warranty is offered for survey equipment. 6 months warranty offered for survey accessory. Warranty comes in effective from the day your receive good.
2. Repair in warranty: We are responsible for supplying new parts for repairing. Round way freight will be charged by us. If it is necessary, product will be required to send back to our service center to be repaired, round way freight is charged by us. Our engineer will repair in your office for special case.
3. Repair out of warranty: We will offer related parts at commercial cost. Freight will be shared by us
4. Training and calibration: Our engineer is qualified for training and calibration for GNSS and Total Station on site. We offer this service to bulk order while customer has requirement.
5. Technical support is offered 24/365.


Company Information

Shanghai Galxy International Trade company, Ltd. combining with developing, researching and producing. Our company is located in Pudong Developing Zone, and has two subsidiary companies: Shanghai Galaxy International Trade Co., Ltd. and Mato Opto-electrical High-tech Company. Our company has researching center and factory in Changzhou.

Our main products are as following: total station, electronic theodolite, automatic level, laser level, rotation laser, GPS, distance laser sensor and accessories, such as tripod, prism, pole, staff and USB cable for total station. Our company designs software for many domestic and oversea factories, for example, Boif, TJOP, Stanley, and Cst-Berger. We have powerful capacity in technical research, and the products we designed have advanced technology and steady performance. The non-prism total station and the absolute coding measure instrument we developed and produced have very competitive points in the measure instrument market.

We expect that we could cooperate with more business partners from all over the world. In addition, we can do OEM service for companies or dealers that want to find better producers in China.

Our goal is to produce the best surveying instruments in the world.

Our target is to globalize the market, internationalize the quality and maximize the profit!
Economical 2


1.What kind payment method we accept?
T/T, L/C at sight, Western Union, Trade Assurance on Alibaba
Note: Customer will be requested to pay 4% transaction fee upon total amount charged by EBAY.
2.How can you guarantee payment safety ?
Our company supports TRADE ASSURANCE service. If you will choose payment through ALIBABA TRADE ASSURANCE service, you payment will be guaranteed. Because we are not able to receive payment until you confirm goods receipt.

3.What kinds of shipment for goods and how long time it takes ?
Our company supports DHL, FEDEX, UPS, TNT, CHINA POST, by sea and other methods. Shipping time is 3-5 days from payment receipt.

4.Does your company ship battery or not ?
Our company can receive battery order and ship to customer normally, except a few special countries.

5.Do you have other items not displayed on your website ?
Yes, our company supplies full survey range products. If you are looking for product not displayed on our website. Please contact us freely. We will reply you on time.


Contact Us


Shanghai Galaxy International Trade CO.,Ltd
ADD: Rm.306-308,No.5 Building,Jinglian Road 439#,Minhang District,Shanghai,China

TELL: +86-18017639312

Contact person :Lydia Zhu

Contact Details
Lydia Zhu

Phone Number : +8618017639312

WhatsApp : +8618301928717