13
2.7
Hardware Specification
Technical Specification
Microcontroller (MCU)
Atmel ATSAMD21G18, 32-Bit ARM Cortex
M0+
Clock Speed
48 MHz
Flash Memory
256 KB
SRAM
32 KB
NB-IoT Module
Quectel BG96
Dimension
64 mm (width) by 123 mm (length)
Weight
30 grams
Power Supply
USB (5V), re-chargeable battery
Keypad
25 buttons keypad
LEDs
Two modem LEDs: Status LED, Netlight LED;
Keypad: 6 LEDs as backlight LEDs; Re-chargeable
battery: 2 LEDs
LCD
Full-color 2.4 inch,
240x320 pixel resolution
Re-chargeable battery
One circuit for re-chargeable battery
SD Card
1
Interfacing Logic Voltage Level (Operating
Voltage)
3.3V
Voltage output
5V, 3.3V
RESET buttons
one for MCU
USB Switch
1 switch to connect to MCU directly or BG96
directly
General-purpose digital I/O Pins
8 (A0/A1, D0/D1, CS, MOSI, MISO, SCK, SDA, SCL)
Modem GPIO
2 connected to BG96
Modem ADC
2 connected to BG96
USB
1
I
2
C
1
SPI
1
GPIO
2
UART
1
ADC pins
2 (8/10/12-bit ADC channels)
DAC pin
2 (10-bit DAC)
External interrupts
8 (All general-purpose PINs)
PWM pin
2
DC Current per I/O Pin
10 mA
JTAG Debug
Cortex Debug Connector (Single Wire Debug)
USIM
Nano
GNSS
GPS, GLONASS, BeiDou/Compass, Galileo, QZSS
Antenna
1 main antenna and 1 GPS antenna
Band
LTE-FDD, B1/B2/B3/B4/B5/B8/B12/
B13/B18/B19/B20/B26/B28
LTE-TDD: B39 (for Cat M1 only)
Certification
FCC, CE
Mobile Operator Certification
Verizon and currently for AT&T
