Difference between revisions of "Sim7020"

From RevSpace
Jump to navigation Jump to search
(What)
(What)
Line 12: Line 12:
 
I plan to experiment with this kind of network connectivity for perhaps a bat activity monitor or air quality monitoring.
 
I plan to experiment with this kind of network connectivity for perhaps a bat activity monitor or air quality monitoring.
  
Update: this escalated quickly ... the NB-IOT stuff already seems dead:
+
Update: this escalated quickly ... the NB-IOT stuff at t-mobile already seems dead:
 
The t-mobile website has an outdated certificate, otherwise seems down (error 503).
 
The t-mobile website has an outdated certificate, otherwise seems down (error 503).
  

Revision as of 19:35, 23 January 2021

Project Sim7020
Sim7020.png
SIM7020 NB-IOT modem
Status In progress
Contact bertrik
Last Update 2021-01-23

What

This page is about the SIM7020 NB-IOT module.

I plan to experiment with this kind of network connectivity for perhaps a bat activity monitor or air quality monitoring.

Update: this escalated quickly ... the NB-IOT stuff at t-mobile already seems dead: The t-mobile website has an outdated certificate, otherwise seems down (error 503).

Hardware

I wired it up like this:

Connections
SIM7020 USB serial Remark
G nc looped to SIM7020-K
R TXD
T RXD
K nc looped to SIM7020-G
V 3V3
G GND
S DTR

References

I followed roughly this guide: