ComNav | G7 High Precision GNSS - Survey Grade Positioning & Heading Sensor w/variable baseline KIT
ComNav | G7 High Precision GNSS - Survey Grade Positioning & Heading Sensor w/Variable Baseline KIT
The ComNav G7 High Precision GNSS delivers advanced survey-grade positioning and heading accuracy for marine navigation, hydrographic surveying, and offshore operations. Engineered with a variable baseline kit, it provides superior flexibility, stability, and reliability under demanding conditions. Its dual-antenna design ensures high-precision heading data and robust RTK positioning with fast initialization and sub-centimeter accuracy.
KEY FEATURES
- 1 cm Position, 0.01° Heading Capable
- Professional RTK receiver suitable for USVs, dynamic positioning, hydrographic and scientific applications
- Dual marine grade antenna for precise heading calculations
- FCC and CE certified
- Built-in web user interface for secure config., data retrieval and upgrades
- GPS, GLONASS, Beidou, Galileo and SBS
- Advanced low noise, multi-path mitigation technology coupled with high dynamic response
- GNSS L Band Trimble RTX / OmniSTAR correction service compatible
- Excellent for Static and Dynamic applications
- Built-in 4 GB memory
- 2 year warranty
- Built in 3G cellular network modem – global coverage
- Shock resistant to 2 m fall onto concrete
What's Included
- G7 GNSS Heading Receiver
- Data / Power Cable
- External DC Power Cable
- G7 UHF Radio
- Antenna Cable 10m (TNC/TNC)x2
- Mounting Adaptor 5/8" to 1" Diameter
- G7 x 2 Antenna A312
- AC/DC Power Adaptor
- 4G Antenna with Mag Base
Specifications
GNSS Capabilities
| Category | Details |
|---|---|
| Tracked Satellites | Multi-frequency GNSS with all-in-view tracking |
| GPS | L1C/A, L2C, L2E, L5 |
| GLONASS | L1C/A, L2C/A, L3 CDMA |
| Galileo | E1, E5A, E5B, E5AltBOC, E6 |
| BDS (BeiDou) | B1, B2, B3 |
| QZSS | L1 C/A, L1 SAIF, L2C, L5, LEX |
| SBAS | L1 C/A, L5, WAAS, MSAS, EGNOS |
| L-Band | OmniSTAR VBS, HP, and XP |
GNSS Performance (RMS)*
| Parameter | Horizontal | Vertical |
|---|---|---|
| RTK | 8 mm + 1 ppm | 15 mm + 1 ppm |
| DGPS | 25 cm + 1 ppm | 50 cm + 1 ppm |
| SBAS (WAAS) | 0.5 m | 0.85 m |
| Heading Accuracy | < 0.3° @ 0.5 m antenna separation < 0.1° @ 1.0 m < 0.06° @ 2.0 m < 0.02° @ 5.0 m < 0.01° @ 10.0 m |
|
| Pitch/Roll Accuracy | < 0.01° @ 5.0 m antenna separation | |
| Heave Accuracy | 30 cm (DGPS), 10 cm (RTK) | |
| Initialization Time | < 10 s typical | |
| Initialization Reliability | > 99.9% | |
| Timing (1PPS) Accuracy | 50 nsec | |
| Rate of Turn | 90°/sec max | |
| Maximum Speed | 1,850 kph | |
| Maximum Altitude | 18,288 m |
Environmental
| Parameter | Details |
|---|---|
| Operating Temperature | -40°C to +75°C (-40°F to +167°F) |
| Storage Temperature | -55°C to +85°C (-67°F to +185°F) |
| Humidity | Up to 100% |
| Waterproof/Dustproof | IP67 |
| Shock Resistance | 1 m (3.28 ft) fall onto concrete |
| Vibration Standard | MIL-STD-810G |
Mechanical
| Parameter | Details |
|---|---|
| Dimensions (L × W × H) | 160 mm × 120 mm × 56 mm (6.4 in × 4.7 in × 2.2 in) |
| Weight | ≤ 1.2 kg (2.6 lb) |
| Tilt Sensor | e-Bubble leveling |
Communications & Data Recording
| Parameter | Details |
|---|---|
| Connectors I/O | 1 × 19-pin aviation plug (Power, RJ45, CAN, 2 × RS232, SMA) |
| Antenna Ports | 1 × TNC GNSS1, 1 × TNC GNSS2, 1 × TNC (4G Antenna), 1 × TNC (internal radio)** |
| Firmware Upgrade | 1 × mini-USB |
| Network Modem | 4G internal modem with global cellular coverage |
| Wi-Fi | Integrated 802.11 b/g/n module, access point mode |
| Bluetooth | Internal multimode system compatible with Android, Windows Mobile, and Windows Desktop |
| UHF Radio | 403 – 473 MHz (country-specific type approvals)** |
| Data Recording | Web UI data collection and management software (smartphone Android optional) |
| Data Update Frequency | 1, 2, 5, 10, 20, 50 Hz (position and heading output) |
| Baud Rates | 1,200 to 460,800 |
| LAN Network | HTTP, HTTPS, TCP/IP, UDP, FTP |
| Protocols Supported | NMEA 0183 v2.x/v4.x (position & heading), RTCM 2.x/3.x (input/output), NTRIP Client, Caster, Server |
| Web User Interface | Secure interface for remote configuration, data retrieval, firmware updates, and multiple streaming/ports |
| Additional Network Features | Supports proxy server, route table, UDnP, Zeroconf, email alerts, and position monitoring |
| Event Marker Input | Supported |
Power
| Parameter | Details |
|---|---|
| Input Voltage | 9 to 36 VDC |
| Power Consumption | 4.3 W nominal |
Certifications and Calibrations
| Parameter | Details |
|---|---|
| Certifications | FCC Part 15 (Class B Device), FCC Part 22, 24, 90; CE IEC60945; Bluetooth EPL |
| Calibrations | IGS and NGS antenna calibration |
| Standards Compliance | MIL-STD-810G, IEC68-2-27 |
Dual Antenna Options (Included)
| Option | Details |
|---|---|
| Dual Marine Antenna | IP68 with marine mobile 1” diameter thread mounts (standard) |
| Dual Geodetic Antenna | IP65 with land mobile 5/8” diameter mounts (optional) |
Company Information
| Company | Details |
|---|---|
| Manufacturer | ComNav Marine Ltd. |
| Address | #15-13511 Crestwood Place, Richmond, British Columbia, Canada, V6V 2G1 |
| Phone | +1 604-207-1600 |
| Fax | +1 604-207-8008 |
| sales@comnav.com | |
| Website | www.comnav.com |
| Service | Worldwide service |
| Printed In | Canada |
Notes
* Accuracy and reliability may be affected by multipath, satellite geometry, and atmospheric conditions. Performance assumes a minimum of five satellites and adherence to recommended GNSS practices.
** UHF radio type approvals are country-specific.
Specifications are subject to change without notice (August 2018).
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