E108-GN03 Dual-Mode GPS BD GNSS Module
- The E108-GN03 series is a versatile multi-mode GNSS positioning module supporting GPS, BDS, and GLONASS systems.
- It provides accurate satellite positioning with high sensitivity and low power consumption.
- Ideal for applications in vehicle navigation, smart wearables, and drones.
- The module supports NMEA0183 V4.1 protocol and can be easily integrated into various systems.
- The E108-GN03 series offers fast cold start times and high positioning accuracy with minimal power usage.
€3,17 – €5,53
The E108-GN03 series is a high-performance, highly integrated, and cost-effective multi-mode GNSS(Global Navigation Satellite System) satellite positioning and navigation module. Based on the AT6558R solution, it supports GPS, BDS, GLONASS, and GNSS, making it ideal for a wide range of applications, including vehicle navigation, smart wearables, and drones.
With its compact size and low power consumption, the E108-GN03 series ensures reliable performance while minimizing energy usage. It is designed with software and hardware interfaces that are fully compatible with other module manufacturers, significantly reducing development time for users.
The module supports UART and GPIO interfaces for seamless connectivity with peripherals, and customization options for I2C and SPI interfaces are available upon request.
Variants like the E108-GN03D and E108-GN03S maintain these core features, offering flexible solutions for diverse GNSS positioning and navigation needs.
The GNSS Satellite Navigation Module is a high-performance solution designed for versatile positioning applications, such as vehicle navigation, smart wearables, and drones. Built with advanced technology, it offers exceptional compatibility and accuracy, making it an ideal choice for a wide range of GNSS positioning needs.
| Model / Parameter | E108-GN03 | E108-GN03S | E108-GN03D |
| Satellite System | GPS/BDS/GLONASS | ||
| Receiving Frequency | BDS B1, GPS L1, GLONASS L1 | ||
| Operating Temperature | -40 ~ +85°C | ||
| Operating Voltage | 2.7~3.6V | ||
| Cold Start Time | ≤32s | ||
| Hot Start Time | ≤1s | ||
| Reacquisition Time | ≤1s | ||
| Horizontal Position Accuracy | 2.5m | ||
| Speed Accuracy | 0.1m/s | ||
| Timing Accuracy | 30ns | ||
| Sensitivity | Cold Start -148dBm, Hot Start -156dBm, Reacquisition -160dBm, Tracking -162dBm | ||
| Baud Rate | 4800~115200bps | ||
| Protocol | Supports NMEA0183 V4.1 and earlier versions | ||
| Communication Interface | UART | ||
| Acquisition Current | 25mA | 26mA | 24mA |
| Tracking Current | 25mA | 26mA | 24mA |
| Sleep Current | 64uA | 57uA | 0.3uA |
| Antenna Interface | Stamp Hole | Stamp Hole | Ceramic antenna |
Features
- Multi-System Compatibility
- Supports BDS, GPS, and GLONASS for multi-system joint positioning or independent single-system operation.
- Compatible with all satellites of Beidou-2 and Beidou-3 constellations.
- High Sensitivity and Accuracy
- Tracking sensitivity: -162dBm
- Recapture sensitivity: -160dBm
- Hot Start: -156dBm
- Cold Start: -148dBm
- Provides reliable positioning even in challenging environments.
- Fast and Responsive
- Maximum positioning update rate of 10Hz, ensuring real-time data for dynamic applications.
- Supports A-GNSS (Assisted GNSS) for enhanced performance in weak signal areas.
- Powerful Processing
- Equipped with a 32-bit RISC CPU for efficient operation.
- Supports PPS (Pulse Per Second) output for precise timing synchronization.
- Flexible Output Formats
- Supports NMEA0183 V4.1 and earlier versions for seamless integration with various systems.
- Developer-Friendly Design
- Offers software and hardware interfaces that are compatible with other manufacturers, significantly reducing development cycles.
- Ensures quick and smooth integration into existing projects or systems.
Applications
- Vehicle Navigation: Provides accurate and reliable GNSS data for automotive applications.
- Smart Wearables: Compact design and low power consumption make it ideal for portable devices.
- Drones: High sensitivity and multi-system support ensure precise and responsive navigation.
HardWare Overview
E108-GN03
| Pin number | Pin name | Pin direction | Pin usage |
| 1 | GND | – | modular ground |
| 2 | TXD | output | Serial port output, 3.3V level |
| 3 | RXD | enter | Serial port input, 3.3V level |
| 4 | 1PPS | output | 1 Pulse Per Second |
| 5 | ON_OFF | enter | Sleep control pin, maintains high level during normal operation (internal pull-up), enters sleep mode when low level |
| 6 | V_BCKP | enter | RTC power supply, can charge external battery, internal 100Ω resistor in series |
| 7 | NC | – | – |
| 8 | VCC | enter | Module power supply, power supply range: 2.7V-3.6V |
| 9 | RESET_N | enter | Reset pin, external reset input, internal pull-up, must be left floating if not used |
| 10 | GND | – | modular ground |
| 11 | RF_IN | enter | Antenna interface |
| 12 | GND | – | modular ground |
| 13 | ANT_ON | output | Active antenna power supply control, used for external active antenna switch control |
| 14 | VCC_RF | output | RF power supply and detection, used to power active antennas (the output power supply voltage is equal to VCC) |
| 15 | NC | – | – |
| 16 | NC | – | – |
| 17 | NC | – | – |
| 18 | MODEL_SET | enter | Satellite system mode selection, when high level or floating, it is BDS + GPS, when low level, it is GPS + GLONASS |
E108-GN03S
| Pin number | Pin name | Pin direction | Pin usage |
| 1 | NC | – | – |
| 2 | MODEL_SET | Input | Satellite system mode selection, when high level or floating, it is BDS + GPS, when low level, it is GPS + GLONASS |
| 3 | 1PPS | output | 1 Pulse Per Second |
| 4 | ON_OFF | Input | Sleep control, maintain high level during normal operation (internal pull-up), enter sleep mode when low level |
| 5 | NC | – | – |
| 6 | NC | – | – |
| 7 | NC | – | – |
| 8 | RESET_N | Input | Reset pin, external reset input, internal pull-up, must be left floating if not used |
| 9 | VCC_RF | output | RF power output, used to power active antennas (the output power voltage is equal to VCC) |
| 10 | GND | – | modular ground |
| 11 | RF_IN | Input | Antenna interface |
| 12 | GND | – | modular ground |
| 13 | GND | – | modular ground |
| 14 | ANT_ON | output | Active antenna power supply control, used for external active antenna switch control |
| 15 | NC | – | – |
| 16 | NC | – | – |
| 17 | NC | – | – |
| 18 | NC | – | – |
| 19 | NC | – | – |
| 20 | TXD | output | Serial port output, 3.3V level |
| 21 | RXD | Input | Serial port input, 3.3V level |
| 22 | V_BCKP | input/output | RTC power supply, can charge external battery, internal 100Ω resistor in series |
| 23 | VCC | Input | Power pin, power supply range: 2.7V-3.6V |
| 24 | GND | – | modular ground |
E108-GN03D
| Pin number | Pin name | Pin direction | Pin usage |
| 1 | ON_OFF | Input | Sleep control, maintain high level during normal operation (internal pull-up), enter sleep mode when low level |
| 2 | 1PPS | output | 1 Pulse Per Second |
| 3 | GND | – | modular ground |
| 4 | TXD | output | Serial port output, 3.3V level |
| 5 | RXD | Input | Serial port input, 3.3V level |
| 6 | VCC | Input | Module power supply, power supply range: 2.7V-5.5V |
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