Internet of Things card refers to a network that connects everything with the Internet according to the agreed protocol through information sensing devices such as RFID, infrared sensor, global positioning system and laser scanner, and carries out information exchange and communication to realize intelligent identification, positioning, tracking, monitoring and management.

When networking, you can choose to connect devices to the Internet of Things platform through fixed broadband, NB-IOT and 2/3/4/5G for networking. If the equipment uses 2/3/4/5G and NB-IOT networks to access, it needs to access the operator's network through the SIM card.