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存在多个 485 端口输入,支持 MQTT 协议的 NB-IoT DTU 吗?
lostspirit0
·
May 27, 2019
· 2545 views
This topic created in 2661 days ago, the information mentioned may be changed or developed.
课程设计要求。。实在不想 diy 啊。。
dtu
mqtt
nb-iot
diy
2 replies
•
2019-05-28 09:25:36 +08:00
1
blueskit
May 28, 2019 via Android
这是要转换?市场上有卖的,一千多能买到四口的
2
lostspirit0
OP
May 28, 2019 via iPhone
@
blueskit
能随便抛一个购买链接吗?实在搜不到。。
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