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SIM800L GPRS GSM Module SIM Board Quadband PCB Antenna for MCU Arduino
Features:
Model: SIM800L
Work voltage: 5V
Network support: Quad-Band 850/900/1800/1900 MHz - would work on GSM
networks in all countries across the world.
TTL serial interface compatible with 3.3V and 5V MCU
Microcontrollers,competible with arduino .
only fit micro sim card