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Product name: SIM800L GPRS module adapter board GSM microSIM card
Product model: CEL-00009
Unavailable
Description
Module type: SIM800L Working voltage: 3.7~4.2V The size of the module: 2.5cmx2.3cm
TTL serial port, can be directly linked with single chip microcomputer. Don't need
MAX232
Automatic startup power module, automatic network
Onboard signal lights all the way. It flashes slowly when there is a signal, it flashes quickly when no signal.
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