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In the context of the explosive development of the Internet of Things, the number of connected network facilities is increasing, and the function of wireless transmission technology in the Internet of Things is also increasing. At this stage, there are three types of wireless transmission technical specifications most frequently used in the international Internet of Things: WiFi, Zigbee and Bluetooth. Among them, SKYLAB knows more about WiFi and Bluetooth. After all, SKYLAB is a company focusing on GNSS control modules, WiFi modules, Bluetooth A professional and technical personnel enterprise that develops control module products and establishes commodity solutions. The following will mainly describe the distinction between Bluetooth and WiFi and their specific industry applications.

From the definition point of view, Bluetooth is a new wireless communication technology. The technology is a standard wireless communication technology protocol. According to the transceiver processing chip of low-cost equipment, it has short-range transmission and low functional loss. It is widely used in IoT smart home and smart wearable devices. WiFi is an industry standard of wireless network communication network defined by IEEE. It is a kind of WiFi network. Its scope in local area network refers to "wireless network compatibility verification". It is actually a commercial service verification, and it is also a kind of Wireless network connection network technology.

From the perspective of technical application, Bluetooth, with low power consumption and anti-reflection film, has the shortcomings of short transmission distance and small range. Recently, with the release of Bluetooth 5.0, it has steadily improved; WiFi, with faster speed and wide coverage, but consumes a lot of electricity. .

Bluetooth communication belongs to the WPAN wireless network personal area network, that is, point-to-point, multi-point-to-multipoint, mainly used to connect some external USB connections, or to transmit data in a short distance. The bandwidth of the Bluetooth transmission network is 1Mbps, and its communication distance is generally 10 meters. The transmission distance of the new version number Bluetooth 5.0 can be 150 meters;

The connection protocol used by WiFi is the IEEE802.11b local area network protocol. The transmission range of WiFi is 120 meters, and the transmission rate can reach 11Mbps. WiFi belongs to the WLAN wireless network, and is suitable for several intelligent terminals to transmit at the same time.

From the perspective of product application, Bluetooth communication is mainly used to connect some external electronic products, or to transmit data at short distances. WiFi is suitable for business processes that provide wireless networking, so WiFi is often found on smart products that must connect to the network.

In terms of the order of magnitude of goods, according to incomplete statistics, various machines and equipment that use WiFi and Bluetooth as driving standards in the commercial industry occupy a key market share in the world market, and among them, the machine equipment that uses Bluetooth has a higher share. high.