REES52® Mini SIM800L GSM GPRS Module, MicroSIM TTL Card Serial | Shop The World
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REES52® Mini SIM800L GSM GPRS Module, MicroSIM TTL Card Serial Interface for microcontroller for for Arduino Uno/Raspberry PI and Other Popular Devlopmant Boards
•Module models: SIM800L (latest module, performance than SIM900 / M590)
•Operating voltage: 3.7 ~ 4.2V (maximum current is 1A)
•High quality: the serial interface is a TTL serial interface which can be directly connected to the microcontroller. MAX232 is not required
•With signal light: the on-board signal is fully illuminated. Flashes slowly when there is a signal, flashes quickly when there is no signal.
•FUNCTION - The ignition of the module starts automatically and automatically finds the network
