SIM800L GSM module GPRS adapter board microSIM card Core board
Specifications:
Module model: SIM800L (new module, performance exceeds SIM900/M590)
Working voltage: 3.7~4.2V (peak current is 1A, please handle it properly)
Support network: global quad-band network
Module size: 2.5cmx2.3cm
The serial port is a TTL serial port, which can be directly linked with the microcontroller.
The module is powered on automatically, and automatically finds the network
Onboard a signal indicator (slow flashing with signal, fast flashing without signal)
Small size, there is no GSM module smaller than this module
Full machine chip processing, reflow soldering, stable performance
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