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2.7 Hardware Specification
Microcontroller (MCU)
Clock Speed
Flash Memory
SRAM
NB-IoT Module
Dimension
Weight
Power Supply
Keypad
LEDs
LCD
Re-chargeable battery
SD Card
Interfacing Logic Voltage Level (Operating
Voltage)
Voltage output
RESET buttons
USB Switch
General-purpose digital I/O Pins
Modem GPIO
Modem ADC
USB
I
C
2
SPI
GPIO
UART
ADC pins
DAC pin
External interrupts
PWM pin
DC Current per I/O Pin
JTAG Debug
USIM
GNSS
Antenna
Band
Certification
Mobile Operator Certification
NB-IoT Phone 1.0
Technical Specification
Atmel ATSAMD21G18, 32-Bit ARM Cortex
M0+
48 MHz
256 KB
32 KB
Quectel BG96
64 mm (width) by 123 mm (length)
30 grams
USB (5V), re-chargeable battery
25 buttons keypad
Two modem LEDs: Status LED, Netlight LED;
Keypad: 6 LEDs as backlight LEDs; Re-chargeable
battery: 2 LEDs
Full-color 2.4 inch,
One circuit for re-chargeable battery
1
3.3V
5V, 3.3V
one for MCU
1 switch to connect to MCU directly or BG96
directly
8 (A0/A1, D0/D1, CS, MOSI, MISO, SCK, SDA, SCL)
2 connected to BG96
2 connected to BG96
1
1
1
2
1
2 (8/10/12-bit ADC channels)
2 (10-bit DAC)
8 (All general-purpose PINs)
2
10 mA
Cortex Debug Connector (Single Wire Debug)
Nano
GPS, GLONASS, BeiDou/Compass, Galileo, QZSS
1 main antenna and 1 GPS antenna
LTE-FDD, B1/B2/B3/B4/B5/B8/B12/
B13/B18/B19/B20/B26/B28
LTE-TDD: B39 (for Cat M1 only)
FCC, CE
Verizon and currently for AT&T
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