SIM7020 4G NB-IOT Mini Development Board R2-[Version]




SIM7020 Chip Features:

  • NB-IOT network registration is very fast, unlike normal 2G module, only 10 seconds (say 5-20 seconds) to register on network.
  • Originally AT commands support MQTT or COAP, etc.
  • More advanced developed functions, working netlight led, support ADC read, etc.
  • Simple, compact package size, which is also compatible with SIM800C.

SIM7020-R2 Board Features:

  • Lead out most of the module pins. Board size 27*29 mm
  • Board layout is 80% compatible with our SIM800C R2 mini board.
  • Lead out pin header 2 row * 13 pins, 2.0mm pitch, distance is 24.5mm
  • On board high performance LDO, up to 12V (max 16V) 500mA, provide power supply.
  • 2.4G antenna IPEX UFL connector.
  • Nano (iphone type) SIM card holder.
  • On board netlight LED, can be disconnected via jumper.
  • On board power up key.
  • On board logice shifter, output 5V logic level
  • No more USB connector, please just buy a USB connector and connect to four pins VUSB, DP, DM, GND.
  • Low power features: idle mode 5mA, PSM mode 110-140uA. Usage guide here.

SIM7020-V Board Features:

  • Selectable function for “PIN” pin: RTC_GPIO0 or status.
  • Power supply 3.3V only
  • On board logic shfiter for serial output at 3.3V
  • Boot Pin can be controllered by external MCU to turn on off module
  • Netlight status LED
  • Physical boot button.
  • Chip version only SIM7020G


  • FREE soldering work for pin header, please you need please add order note, solder on which side.
  • Better use special NBIOT SIM card, not normal cell phone sim card.
  • Prepare 2.4 IPEX UFL antenna to use.
  • Consider upgrade firmware if necessary

All documentation please see on this page. 

Additional information

Weight N/A

SIM7020E-R2, SIM7020G-R2, SIM7020G-V

2 reviews for SIM7020 4G NB-IOT Mini Development Board R2-[Version]

  1. 4 out of 5

    eceronv (verified owner)

    Perfect item, suitable for fast iot projects

  2. 2 out of 5

    Manolis N

    schematics on wiki are not public, please share

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