AT&T will be shutting down its 3G network in the US and the shutdown will be completed by February 2022. This will impact several HMS products.
Impacted Ewon devices
• Ewon Cosy 131 3G: EC6133D
• Ewon Flexy 3G extension card: FLB 3202
• Ewon Netbiter EC350: NB1005
As part of this process, all the HMS 3G cards have been deactivated as of February 7th, 2022
Netbiter
Use the WAN port on an EC350 either with a local internet connection or with a third party modem.
Upgrade hardware to newer Ewon model:
NB1005 (Ewon Netbiter EC350) => NB1023 (Ewon EC360 North America)
You can contact HMS for more details on how to acquire this device and or a 4G SIM Card.
Flexy and Cosy
A newsletter has been sent out to all Talk2M admins informing them of this situation
Please visit the following link for detailed information:
https://www.ewon.biz/technical-support/pages/technical-publications/news/2022/02/10/ewon-at-t-sunset