Specifications
10
4. Specifications
Hardware &
software
• WAN module: M14QS
– LTE CAT1(B2/4/5/12/B25/26), B4/12 are roaming
bands for ATT
–
GPS/GLONASS/aGPS
•
USIM 3FF
• Microcontroller
–
STM32 F030
Backup
battery
– ADC/UART/SPI/I2C/GPIO
– 5 power mode control
• Li-ion battery
– Spec: 170 mAh/3.7 V
– Max discharge current: 5 C
– Operation temperature range: –10°C to +60°C
Buzzer
• Electro-magnetic buzzer
• Operating voltage: 3 V to 6.5 V
• Resonant frequency: 2700 ± 300 Hz
• Sound output at 10 cm: ≥ 83 dBm
Mechanical • Dimensions: 92.8 mm × 60 mm × 16.5 mm
• Interface:
– 8 wires: Vin, GND, Open drain output, GPIO6, GPI,
GPIO4, GPIO5, GND
–
Micro
-
USB: For manufacture and debugging
Others • Operating temperature: –20°C to +75°C