User's Manual

13
5. Press browse the button to browse to the firmware provided by S&T.
6. Press the Start button to run the firmware program.
7. After the writing progresses to 100%, it takes about 20 seconds for the update
to completes.
8. Firmware update completes.
Chapter 4 Technical Specification
Hardware
Requirements
Description
CPU 32 bits STM32F2 Series ARM Cortex M3
Internal Memory – 1 Mbyte of Flash memory
– 512 bytes of OTP memory
– 128 + 4 Kbytes of SRAM
External Memory Default 16Mbytes, (512Mbytes for Debug only).
GSM GSM Module:
 Vendor: uBlox SARA-U2 Series
 Frequency: 850/1900 (U260 for NAR version)
900/1800/2100 (U270 for EUR version)
 Antenna: External
GPS GPS Module:
 Vendor: uBlox MAX-M8Q/W
 Sensitivity: -167 dB ( GPS & GLONASS )
-165 dB (GPS & BeiDou )
-166 dB (GPS )
 Antenna: External
Time to First Fix:
1. Cold Start: 26 Seconds at open sky ( GPS & GLONASS )
27 Seconds at open sky ( GPS & BeiDou )
29 Seconds at open sky ( GPS )
2. Hot Start: 1 Second
3. Aided starts: 2 Seconds at open sky ( GPS & GLONASS )
3 Seconds at open sky (GPS & BeiDou )
2 Seconds at open sky (GPS )
I/O(standard)  Analog Input x 2
A. Voltage Range: 0-30 V
B. Resolution: 12 bit