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GSM

983.00

  • Module: sim800l quad-band 850/900/1800/1900mhz
  • Supply voltage range: 3. 4V ~ 4. 4V

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Description

when the level of communication of SIM900A and 3.3V TTL, this pin is connected to DC 3.3V. VCC5—-DC 5V input. VCC4——DC3.5–4.5 input

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