Description:
GM-739 is equipped with the u-blox 7 low-power, high-sensitivity engine. The dual-antenna design allows it to be flexibly used in various GPS environments. An electronic antenna switch is built-in for automatic switch between built-in and external antennas. Antenna short-circuit protection prevents it from damage due to accidental human mistakes. Our experienced design provides not only fast acquisition and excellent tracking performance but also quality and delivery assurance.Specifications
| Chipset | u-blox 7 |
|---|---|
| GNSS systems | GPS, GLONASS, QZSS, SBAS |
| Frequency bands | L1 |
| Accuracy | 2.5 m (autonomous) |
| Interface | UART-TTL, RS232, USB |
| Output | NMEA, Binary |
| Update rate | Up to 10 Hz |
| Power | 3.5–5.5 V |
| Current consumption | 39 mA |
| Operating temperature | -40 ~ 85 ℃ |
| Antenna | Built-in + external connector |
Typical values. See the product flyer (PDF) for full specifications.

