GNSS Receiver BOB with IRNSS
GNSS Receiver BOB with IRNSS
GNSS Receiver BOB with IRNSS
The GNSS Receiver BOB with IRNSS is a breakout board module that integrates multi-constellation satellite positioning technology, supporting GPS, GLONASS, Galileo, and India's indigenous IRNSS NavIC system for enhanced positioning accuracy and reliability. Professional surveyors, IoT developers, and embedded systems engineers use this receiver to achieve meter-level to centimeter-level location accuracy in applications requiring high-precision geolocation and real-time positioning data. This module solves the critical challenge of obtaining reliable satellite positioning in challenging environments, including urban canyons and areas with poor GPS coverage, by leveraging multiple satellite constellations simultaneously.
Product Overview
The GNSS Receiver BOB with IRNSS operates on the principle of trilateration using signals from multiple satellite constellations orbiting Earth. The receiver captures radio signals transmitted at L1 frequency bands from GPS satellites, GLONASS orbital planes, Galileo constellation, and IRNSS satellites positioned in geostationary and geosynchronous orbits over the Indian subcontinent. By processing signals from multiple systems simultaneously, the receiver dramatically improves position fix time, accuracy, and availability compared to single-constellation receivers. The breakout board format provides convenient access to serial communication interfaces, power pins, and antenna connectors, making integration into prototypes and production systems straightforward for engineers and developers.
This particular model stands out through native IRNSS support, which is crucial for applications deployed across India and South Asian regions where NavIC signals provide superior geometric dilution of precision compared to GPS-only systems. The receiver typically features a high-sensitivity chipset capable of tracking weak signals in dense urban environments and indoor-adjacent scenarios. Integration with standard UART or I2C interfaces enables seamless connection to microcontrollers, single-board computers, and data logging systems. The compact form factor and low power consumption make it ideal for battery-powered IoT devices, drone navigation systems, and portable surveying equipment where space and energy efficiency are critical constraints.
Key Specifications
| Specification | Details |
| Product Type | Multi-Constellation GNSS Receiver Breakout Board |
| Supported Systems | GPS, GLONASS, Galileo, IRNSS NavIC |
| Origin | Original/Authentic |
| Warranty | 7 days on manufacturing defects |
| Shipping | 1-5 days from Bengaluru |
| Delivery | 7-8 days across India |
| Support | 24/7 via Email and WhatsApp |
| Frequency Bands | L1 band multi-constellation reception |
| Position Accuracy | Typically 2-5 meters (standard mode), sub-meter with DGPS |
| Time to First Fix | Cold start under 60 seconds, warm start under 10 seconds |
| Communication Interface | UART serial output, NMEA 0183 protocol standard |
| Operating Voltage | 3.3V to 5V DC |
| Power Consumption | Typically 50-150mA during active tracking |
| Update Rate | 1-10 Hz configurable |
Key Features
- Multi-Constellation Support: Simultaneously tracks GPS, GLONASS, Galileo, and IRNSS satellites for enhanced availability and accuracy in challenging signal environments
- IRNSS NavIC Integration: Native support for India's indigenous navigation system provides superior positioning performance across Indian territory and South Asian regions
- High Sensitivity Chipset: Capable of acquiring and tracking satellite signals down to -165 dBm, enabling operation in urban canyons and weak signal scenarios
- Standard NMEA Output: UART-based NMEA 0183 protocol ensures compatibility with existing navigation software, mapping applications, and data logging systems
- Compact Breakout Board Design: Convenient pin headers and onboard voltage regulation simplify integration into prototypes, robotics platforms, and embedded systems
- Low Power Architecture: Optimized power consumption enables extended operation on battery-powered devices, drones, and portable field equipment
Applications and Use Cases
- Precision Agriculture and Farm Mapping: Deploy on autonomous tractors and drones for sub-meter accuracy in crop monitoring, yield mapping, and variable-rate fertilizer application across Indian farmland
- IoT Asset Tracking and Fleet Management: Integrate into vehicle tracking systems, logistics platforms, and supply chain management solutions requiring real-time location updates across India
- Surveying and Geospatial Engineering: Utilize in RTK-enabled surveying equipment and mapping drones for centimeter-level accuracy in land surveys, construction site monitoring, and infrastructure documentation
- Robotics and Autonomous Navigation: Equip mobile robots, autonomous delivery vehicles, and UAVs with reliable positioning for autonomous path planning and obstacle avoidance in outdoor environments
- Environmental Monitoring and Research: Deploy in weather stations, seismic monitoring networks, and environmental sensor arrays requiring precise timestamping and location data collection
How to Use
Begin by connecting the GNSS Receiver BOB to your microcontroller or single-board computer using the UART interface. Supply 3.3V to 5V DC power to the module, ensuring adequate current capacity of at least 200mA during initial satellite acquisition. Connect the antenna connector to an external active GNSS antenna positioned with clear sky view, preferably elevated and away from RF-reflective surfaces. Configure your serial terminal or microcontroller firmware to receive NMEA 0183 sentences at the default baud rate (typically 9600 bps, configurable via serial commands). Allow 30-60 seconds for cold start acquisition when the module powers on for the first time, during which it downloads ephemeris data from multiple satellite constellations.
Once the receiver achieves a position fix, NMEA sentences containing latitude, longitude, altitude, and timestamp data will stream continuously at your configured update rate. Parse the GGA and RMC sentences from the UART output to extract position coordinates and quality indicators. For applications requiring higher accuracy, implement DGPS corrections using ground-based reference stations or SBAS augmentation services. Monitor the number of satellites in view and dilution of precision values to assess solution quality. For production deployments, implement watchdog timers and position validation logic to detect and handle signal loss or multipath errors gracefully.
Frequently Asked Questions
What is the difference between this GNSS receiver and a standard GPS module?
This multi-constellation GNSS receiver tracks signals from GPS, GLONASS, Galileo, and IRNSS simultaneously, whereas standard GPS modules only receive American GPS signals. By combining multiple satellite systems, this receiver achieves faster position fixes, better accuracy in urban environments, and superior availability in regions with obstructed sky views. The addition of IRNSS NavIC support is particularly valuable for applications deployed across India, where NavIC satellites provide optimized geometric coverage and augmentation signals.
Can I use this receiver indoors or in weak signal conditions?
While GNSS receivers fundamentally require line-of-sight to satellites, this module's high sensitivity chipset (-165 dBm tracking threshold) enables operation in challenging scenarios like urban canyons, under tree canopy, and near buildings where standard receivers fail. For true indoor positioning, you would need to combine this receiver with other technologies like WiFi triangulation or ultra-wideband systems. In weak signal environments, the multi-constellation approach significantly improves your chances of maintaining a position fix compared to single-system receivers.
What accuracy can I expect from this GNSS receiver?
Standard horizontal accuracy is typically 2-5 meters under open sky conditions with good satellite geometry. This accuracy improves to 1-2 meters when tracking signals from all four constellations simultaneously. For applications requiring centimeter-level accuracy, implement Real-Time Kinematic (RTK) corrections using a nearby ground reference station, which can achieve 2-5 centimeter accuracy. Differential GPS (DGPS) augmentation using SBAS services can improve accuracy to approximately 1-2 meters. Actual accuracy depends on satellite geometry, atmospheric conditions, multipath interference, and signal obstruction in your specific deployment location.
When will I receive my order?
Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.
What is your return and warranty policy?
We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.
Why Buy from The Tech Depot
- Genuine Products: Sourced directly from authorized distributors with authentication
- Expert Team: Our technical team validates every product before listing
- Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
- Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
- Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
- Technical Support: 24/7 expert guidance via email and WhatsApp
- Returns: 7-day return policy on manufacturing defects only
Buy GNSS Receiver BOB with IRNSS Online in India
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