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

Description SIM7028 Chip Features: Successor chip for SIM7020. Support 2G fallback EGPRS, higher transfer speed, and slightly higher power consumption and price. More documentation please see on this page.   Module footprint is fully same to the SIM7020-R2 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. Use guide please see our wiki pages. 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.