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nb烟感,nbiot烟感
NB-IoT is an emerging IoT network. The English name: Narrow Band-Internet of Thing, referred to as NB-IoT, and the Chinese name: Narrowband Internet of Things. Main features: wireless communication, low power consumption, no wiring, multi-terminal management monitoring, etc. NB-IoT smoke (hereinafter referred to as: NB smoke) is a combination of NB-IoT module and traditional smoke alarm. Generally, it is a smoke sensor + a base with NB-IoT module, and the Internet of Things is inserted into the base. Traffic card. Similar to a mobile phone that can be connected to a base station signal by inserting a SIM card. Similarly, the NB smoke sensor can wirelessly connect to the NB-IoT networks of the three major operators (Mobile, Telecom, and Unicom). It will be transmitted to the alarm cloud platform, mobile phone app, computer client, WeChat public account, etc. through the operator's network. The picture below is the NB smoke. Smoke is on the left and NB-IoT base is on the right
GSM烟雾探测器(PA-438 )
-Exclusive smoke intelligent algorithm-High sensitivity, zero false positives, strong anti-interference-With voice prompt and voice alarm function-GSM / GPRS network alarm, support multi-channel alarm methods such as SMS, central network, etc. to ensure stable and reliable alarm performance-Support SMS, center remote control and parameter settings-GPRS real-time online, get the latest working status of the device at any time-Up to 5 groups of preset alarm phones, which can be individually set to their SMS switches
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