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APN?Access Point Name????????????????????????????????????APN?????????????????WAP?????????????????????????????????????????????????APN??????

APN?NB-IOT???????????????????SSID?????????APN?NB-IOT????????????????????????APN?ctnet??????APN?chinamobile???????APN???????????????????????

???????APN??????????????

Onenet????????????????UDP????????Coap?Constrained Application Protocol?????UDP????????????????????????

???????????APN?NB-IOT?????????SSID???????????????????????????????APN???????????????

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