quick setup 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.)

  • SIMCOM-PSM-dat

Application Note

PSM Mode

  • AT commands to enter into PSM power save mode
  • pull down RTC_EINT or PWR_KEY to quit PSM mode

REF

module versions

module version: - SIM7020E tested working countries: Finland, Sweden

Supported band

  • SIM7020E: B1 B3 B5 B8 B20 B28
  • SIM7020G: all bands, please see our wiki page NBIOT.

  • SIMCOM-AT-DAT

other ref

  • NBIOT - https://w.electrodragon.com/w/Category:NBIOT
  • legacy wiki - https://w.electrodragon.com/w/Category:SIM7020

  • SIM7020 git info : https://github.com/Edragon/SIMCOM_SIM7020

board ref

doc

  • https://w2.electrodragon.com/chip-cn/SIMCOM/SIM7020-DAT/SIM7020_Series_AT_Command_Manual_V1.00.pdf
  • https://w2.electrodragon.com/chip-cn/SIMCOM/SIM7020-DAT/SIM7020G_Hardware_Design_V1.00.pdf