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Hemisphere GNSS C631 GNSS Smart Antenna

Hemisphere GNSS C631 GNSS Smart Antenna

Centimeter-Level Accuracy with Long-Range RTK Support.

Hemisphere GNSS C631 GNSS Smart Antenna supports GPS, GLONASS, BeiDou, Galileo, QZSS, IRNSS, and Atlas L-Band corrections. Powered by Athena RTK, it delivers centimeter-level accuracy with fast acquisition times. With UHF, cellular, Bluetooth, and Wi-Fi connectivity, it's ideal for precision tasks like surveying and mapping. The IP67-rated enclosure ensures durability in challenging environments.

C631 GNSS Smart Antenna Technical Specifications

GNSS Receiver

Receiver Type

Multi-Frequency GPS, GLONASS, BeiDou, Galileo, QZSS, IRNSS, and Atlas L-band

Signals Received

GPS L1CA/L1P/L1C/L2P/L2C/L5 GLONASS G1/G2/G3, P1/P2 BeiDou B1i/B2i/B3i/B1OC/B2A/B2B/ ACEBOC GALILEO E1BC/E5a/E5b/E6BC/ALTBOC QZSS L1CA/L2C/L5/L1C/LEX IRNSS L5 Atlas

RTK Formats

RTCM2.1, RTCM2.3, RTCM3.0, RTCM3.1, RTCM3.2 including MSM

Accuracy

Positioning

RMS (67%)

Autonomous, no SA:

1.2 m

SBAS

0.3 m

Atlas H10

0.04 m

RTK Static

8 mm + 1 ppm

Performance Tilt

2.5 mm + 1 ppm

Communications

Bluetooth

Bluetooth 2.1+EDR / 4.0 LE

Wi-Fi

802.11 b/g

Network

LTE FDD: B1/B2/B3/B4/B5/B7/B8/B12/B13/ B18/B19/B20/B25/B26/B28 LTE TDD: B38/B39/B40/B41 UMTS: B1/B2/B4/B5/B6/B8/B19 GSM: B2/B3/B5/B8

Radio

Frequency range: 410MHz ~ 470MHz and 902.4MHz ~ 928MHz Channel Spacing: 12.5 KHz / 25 KHz

Data & Storage

Storage Type

8 GB internal, SD card up to 32 GB

Connector Ports

TNC

For connecting to UHF radio antenna

LEMO 5-pin

For connecting to external power supply, external radio

LEMO 7-pin

For serial port, USB

Card Slots

For Micro SIM card and Micro SD card

Electrical

Input Voltage

9 to 28 V DC

Battery

With removable dual battery, for single battery parameter: 7.2 V, 3400 mAh, 24.48 Wh

Working Time

12 hours in Rover UHF mode (2 batteries)

Mechanical

Dimensions

156 x 76 mm

Weight:

1.19 kg

What Is the C631 GNSS Smart Antenna Used For?

Typical applications of the C631 GNSS Smart Antenna include:

  • Precision agriculture guidance and auto-steering

  • Machine control for construction and mining equipment

  • Autonomous vehicles and mobile robotics

  • Marine positioning and heading

  • Fleet management and telematics

Frequently Asked Questions

What is the C631 GNSS Smart Antenna?

Hemisphere GNSS C631 GNSS Smart Antenna supports GPS, GLONASS, BeiDou, Galileo, QZSS, IRNSS, and Atlas L-Band corrections. Powered by Athena RTK, it delivers centimeter-level accuracy with fast acquisition times.

What is the advantage of a smart antenna like the C631 GNSS Smart Antenna?

A smart antenna combines the GNSS receiver and antenna in one sealed housing, so the C631 GNSS Smart Antenna delivers positioning over a single cable interface without a separate receiver box — reducing installation time, cabling and integration effort.

Where is the C631 GNSS Smart Antenna available?

The C631 GNSS Smart Antenna is available through Leo Drive in the following region: Turkey. For other regions, please contact Leo Drive.

How can I get the datasheet and technical documents for the C631 GNSS Smart Antenna?

The datasheet, user manual and other technical documents for the C631 GNSS Smart Antenna are available on the manufacturer’s website. You can also contact Leo Drive for documentation and integration support.

Explore More at Leo Drive

The C631 GNSS Smart Antenna is part of the Smart GNSS Antennas range at Leo Drive. Browse all autonomous vehicle sensors and components, or talk to our engineering team about integration in your project.

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