옛날의 네트워크 들이 사라지기 전에 3G에서 운영 되는 IOT 장비들이 5G로 갈아타야 한다.

LONGNEW·2021년 2월 9일
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https://www.techrepublic.com/article/millions-of-iot-devices-running-on-3g-need-to-make-the-move-to-5g-before-the-older-networks-disappear/

The end is coming for 3G service in the US with AT&T is planning to turn off its 3G service in February 2022, while Verizon 3G will end for commercial and government fleet customers at the end of 2022.

These connections are going away as carriers shut off 3G to make room for 4G LTE and 5G.


carrier : 항공사, 수송회사

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