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

Description

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

Note:

• 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. 

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