SIM7020 DAT
https://www.electrodragon.com/product/sim7020e-4g-nbiot-mini-development-board/
SIM7020E VS SIM7020G
| bands | SIM7020G@Cat-M | SIM7020G@NBIOT | SIM7020E | SIM7020C |
|---|---|---|---|---|
| B1 | ✔ | ✔ | ✔ | ✔ |
| B2 | ✔ | ✔ | ||
| B3 | ✔ | ✔ | ✔ | ✔ |
| B4 | ✔ | ✔ | ||
| B5 | ✔ | ✔ | ✔ | ✔ |
| B8 | ✔ | ✔ | ✔ | ✔ |
| B12 | ✔ | ✔ | ||
| B13 | ✔ | ✔ | ||
| B14 | ✔ | ? | ||
| B17 | ? | ? | ||
| B18 | ✔ | ✔ | ||
| B19 | ✔ | ✔ | ||
| B20 | ✔ | ✔ | ✔ | |
| B25 | ✔ | ✔ | ||
| B26 | ✔ | ✔ | ||
| B28 | ✔ | ✔ | ✔ | |
| B66 | ✔ | ✔ | ||
| B70 | ? | ? | ||
| B71 | ? | ✔ | ||
| B85 | ✔ | ✔ |
hardware diagram
Pin definitions
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.)
Application Note
Power supply
- VBAT Module power voltage min. 2.1 typ. 3.3 max. 3.6 V
PSM Mode
- AT commands to enter into PSM power save mode
-
pull down RTC_EINT or PWR_KEY to quit PSM mode
- SIMCOM-PSM-Dat
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
Demo
- Basic Test Demo - https://www.youtube.com/shorts/HXGcgzOb-aY
- https://x.com/electro_phoenix/status/1640585737308622850
board ref
-
NGS1094-dat - SIM7020E (old version) - life time end