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Revision as of 12:23, 17 March 2021 by Chao (talk | contribs)

Quick Start Guide

  • Please use a USB-serial adapter like CP2102 or FT232RL, connect 5V, GND, VTXD and VRXD.
  • Must well attached the SIM card and 2.4Ghz antenna.
  • Hold down the side button for 3-5 seconds until LED start to blink,.
  • Now you can send AT commands via serial uart COM port.
  • (USB port is NOT working for debugging, please do not connect to use it.)

Pages in category "SIM7020"

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