5 Port Types of Cisco PoE Switches

Recently, as the IoT technology develops fast, PoE switches become more important. Many small devices, like Access points, IP Phones and other devices which can’t be powered themselves, need PoE switches to power them. What is the meaning of PoE…
What is the NB-IoT?

There are many types of IoT wireless access technologies, including short-distance communication technologies (such as Zigbee, WiFi, and Bluetooth), and long-distance wireless communication technologies (such as LoRa, SigFox, eMTC, and NB-IoT). Among them, the low-power wide-area technology LPWA favored by…