| Parameter Name | E108-GN02 |
|---|---|
| GNSS Navigation Mode | Multi-mode Concurrent Satellite Positioning |
| Operating Voltage Range | 2.8V to 4.3V DC (3.3V typical) |
| Communication Protocol | NMEA0183 v4.1 and earlier versions |
| Form Factor / Package Type | SMD / SMT Surface Mount (Half-hole Stamp Pad) |
| Dimensions (L x W x H) | 10.1 x 9.7 x 2.4 mm |
| Interface Type | UART Serial Interface |
| Power Consumption Characteristic | Ultra-low power active mode and power-saving sleep modes |
| Operating Temperature | -40 to +85 degrees Celsius (Industrial Grade) |
| Target Application Areas | UAV flight control, vehicle fleet tracking, smart wearables, asset trackers |
| Item | Description | |
| Communication protocol | Support NMEA0183 v4.1 and earlier versions, the maximum fixed update frequency can reach 10Hz | |
| Positioning system | Support BDS/GPS/GLONASS | |
| Peripheral Interface | Support UART (TXD/RXD) or GPIO | |
| Low power consumption | Support (Stop、Sleep) | |
| Ultra low power consumption | Support | |
| Periodic low power consumption | Support | |
| Direct low power consumption | Support | |
| Parameter setting software | Support | |
| Certification | Pending | |
| Size | 10.1*9.7*2.4mm (L*W*H) | |
| Package | Half hole (SMT surface mount) | |
| Power supply | VCC | 2.8V—4.3V（3.3V） |
| Serial port | Communication level | 2.8V |
| Baud (bps) | 9600~921600, default 9600 | |
| Data bit | 8bit | |
| Stop bit | 1 | |
| Check bit | None | |
Practical Application Scenarios
1. High-Precision Drone Navigation and Autonomous UAV Telemetry
In commercial UAV flight control systems, lightweight components and precise spatial positioning are essential. Embedded directly onto flight controller PCBs using its compact 10.1x9.7x2.4mm stamp-hole footprint, the E108-GN02 outputs continuous NMEA0183 position strings via UART. By pairing the E108-GN02 with Ebyte long-range Sub-GHz telemetry modules (such as the E22 series), system integrators build lightweight airborne positioning links that broadcast real-time latitude, longitude, and altitude back to ground control stations during autonomous waypoint missions.
2. Fleet Vehicle Telematics and Sub-GHz Asset Tracking Gateways
Cold-chain logistics companies and construction fleet operators require continuous location tracking under challenging urban canyon environments. The E108-GN02 operates across a 2.8V to 4.3V voltage range, allowing direct battery management system (BMS) integration in 3.7V Li-ion powered OBD asset trackers. When paired with Ebyte industrial cellular DTUs or LoRaWAN nodes, the module provides stable multi-constellation position fixes that are encapsulated into telemetry packets for automated fleet dispatching, geofencing alarms, and anti-theft tracking.
3. Ultra-Compact Smart Wearables and Wearable Emergency Beacon Devices
For personal safety trackers, smart watch devices, and lone-worker emergency beacons, circuit board real estate and power optimization are critical constraints. The E108-GN02 features an industry-leading micro-scale SMT profile combined with ultra-low current draw in standby and active tracking modes. Hardware engineers integrate this module with ultra-low-power host microcontrollers to acquire rapid fix times during emergency SOS triggers, transmitting coordinates via low-power wireless networks without depleting small wearable battery cells.
FAQ Section
1. How does the multi-mode concurrent positioning of E108-GN02 improve tracking performance in obstructed environments compared to single-mode GPS receivers?
The E108-GN02 utilizes a multi-mode GNSS engine capable of processing signals from multiple satellite constellations concurrently. By acquiring data from elevated satellite counts simultaneously, the module significantly reduces dilution of precision (DOP) in dense urban canyons, heavy tree canopies, and mountainous terrains. This concurrent architecture yields faster Time-To-First-Fix (TTFF) during both cold and hot starts while maintaining high fix availability where single-mode GPS receivers experience signal dropouts.
2. What host MCU integration and software parser configurations are needed to process the E108-GN02 location data?
The E108-GN02 communicates via standard UART serial communication, outputting raw NMEA0183 v4.1 compliant sentences (such as GNRMC, GNGGA, and GNGSA) at standard baud rates. Embedded engineers can parse these ASCII strings using standard light-weight C-based NMEA parsers on any 8-bit, 32-bit, or Linux host processor. Parameters such as output refresh rates, constellation selections, and power-saving operating modes can be configured by sending binary or NMEA input commands over the UART TX/RX lines.
3. What PCB layout and RF front-end design rules should be followed for the SMT half-hole pad footprint of the E108-GN02?
Due to its ultra-compact 10.1x9.7x2.4mm SMT surface-mount package, designers must ensure optimal RF ground plane continuity beneath the module. The RF_IN trace connecting the half-hole pad to the active or passive GNSS antenna (such as a ceramic patch antenna) must be routed as a strictly controlled 50-ohm microstrip line away from high-speed digital lines and switching power supplies to prevent electromagnetic interference (EMI) from degrading receiving sensitivity.
