The Ebyte E108-GN02S is an ultra-compact 0.8g SMT multi-mode GNSS satellite positioning and navigation module with integrated GSM/GPRS connectivity, supporting NMEA0183 V4.1 protocol at up to 10Hz update rate. Designed for vehicle tracking, drones, and smart wearables, it offers low power consumption and pin-to-pin hardware compatibility for rapid IoT development.
| Technical Parameter | E108-GN02S Specification | Remarks / Details |
|---|---|---|
| Product Model | E108-GN02S | Multi-mode GNSS + GSM/GPRS Positioning Module |
| Positioning Protocol | NMEA0183 V4.1 and earlier versions | Standard serial output protocol for navigation systems |
| Update Frequency | Up to 10 Hz | High-refresh rate positioning for fast-moving targets |
| Cellular / Network Technology | GSM / GPRS Integrated | Combines wireless telemetry with GNSS tracking |
| Packaging Type | Half hole (Stamp Hole SMT) | Allows automated surface-mount manufacturing |
| Product Weight | 0.8 plus/minus 0.1 grams | Ultra-lightweight profile for weight-sensitive devices |
| Certification Status | Pending | Compliance testing in progress |
| Type | Indicator | Typ. | Unit |
| Positioning time(test condition 1) | Cold start | 27.5 | S |
| Hot start | <1 | S | |
| Re-capture | <1 | S | |
| A-GNSS | <10 | S | |
| Sensitivity(test condition 2) | Cold start | -148 | dBm |
| Hot start | -162 | dBm | |
| Re-capture | -164 | dBm | |
| Follow | -166 | dBm | |
| Accuracy(test condition 3) | Horizontal positioning accuracy | 2.5 | m |
| Height positioning accuracy | 3.5 | m | |
| Speed positioning accuracy | 0.1 | m/s | |
| Timing accuracy | 30 | ns | |
| Power consumption(test condition 4) | Capture current | 30 | mA |
| Follow current | 20 | mA | |
| Operating temperature | - | -35℃--85℃ | - |
| Storage temperature | - | -55℃--100℃ | - |
| Humidity | - | 5%-95%RH(Nocondensation) | - |
| Type | Details | |
| Protocol | NMEA0183 V4.1 and previous version,max updating frequency is 10Hz | |
| GPS system | BDS/GPS/GLONASS | |
| Peripheral interface | UART(TXD/RXD) or GPIO | |
| Low power | Available | |
| Ultra-low power | Available | |
| Periodical low power | Available | |
| Direct low power | Available | |
| Parameter setting software | Available | |
| Certification | Pending | |
| Size | 16*12*2.4mm(L*W*H) | |
| Package | Half hole(SMT) | |
| Power supply | VCC | 2.8V—4.3V(3.3V) |
| UART | Communication level | 2.8V |
| Baud rate(bps) | 9600(default)、115200(customizable) | |
| Data bit | 8bit | |
| Stop bit | 1 | |
| Parity | None | |









Practical Application Scenarios
1. Fleet Telematics and Commercial Vehicle Tracking Systems
In logistics management, vehicle OBD trackers require precise real-time speed and coordinate calculations. The E108-GN02S features a 10Hz high update rate and multi-mode satellite positioning to accurately record vehicle dynamics without trajectory lag. By pairing the E108-GN02S with an Ebyte Sub-GHz DTU or 4G modem, fleet operators can upload real-time NMEA location data and diagnostics back to enterprise cloud platforms for route optimization and geo-fencing.
2. Payload Navigation and Telemetry for Unmanned Aerial Vehicles (Drones)
For commercial agricultural and inspection drones, every gram of hardware weight directly impacts battery flight endurance. Weighing only 0.8g, the E108-GN02S delivers ultra-lightweight GNSS navigation into flight controller boards. Its 10Hz position update rate ensures reliable flight stabilization, altitude logging, and autonomous return-to-home accuracy when integrated alongside Ebyte long-range telemetry modules.
3. Industrial Smart Wearables and Lone-Worker Safety Devices
Field personnel in mining, power utilities, and hazardous industrial sites require compact safety badges capable of real-time location reporting. The E108-GN02S utilizes a space-saving half-hole SMT package and low-power multi-mode satellite positioning to fit into slim wearable enclosures. When combined with Ebyte low-power Bluetooth (BLE) modules, the tracker provides indoor/outdoor hybrid positioning and fall-detection alarms back to central safety control units.
FAQ Section
1. What are the key performance benefits of a 10Hz positioning update rate in the E108-GN02S?
A 10Hz update rate means the module outputs updated NMEA position coordinates ten times per second. Compared to standard 1Hz modules, this higher sampling frequency eliminates location lag during high-speed movement, enabling smoother velocity vector calculations and precise trajectory mapping for drones, racing vehicles, and agile robotics.
2. How does the half-hole SMT packaging simplify mass production for hardware OEMs?
The half-hole (stamp hole) PCB edge design allows the E108-GN02S to be surface-mounted directly onto a target motherboard like a standard SMD component without needing pin headers or connectors. This reduces overall board height, lowers assembly costs, and improves vibration resistance in rugged vehicle and industrial environments.
3. Is the software interface of the E108-GN02S compatible with standard host controllers?
Yes. The E108-GN02S outputs industry-standard NMEA0183 V4.1 protocol data over its serial UART interface. This ensures drop-in software compatibility with microcontrollers, Linux single-board computers, and existing GPS processing software libraries without requiring custom driver development.