The Wi-Fi module, also known as the serial port Wi-Fi module, belongs to the transmission layer of the Internet of Things. Its function is to convert the serial port or TTL level to an embedded module that conforms to the Wi-Fi wireless network communication standard. The built-in wireless network protocol IEEE802.11b.gn Protocol stack and TCP/IP protocol stack. Nowadays, there are wireless networks everywhere, but wireless products such as WiFi modules need to be certified by SRRC if they want to be sold in my country.

Bluetooth headsets have given us more unbridled freedom due to the lack of wires. It is for this reason that more and more people tend to buy Bluetooth headsets when buying headsets, especially sports people. But in general, Bluetooth BQB certification? is required for such Bluetooth products to be put on the market.

Bluetooth mouse is a kind of wireless mouse. It can be used normally as long as it is turned on. Its size is less than 1/2 of the palm of the hand. It is quite convenient to work out and fully reflects the portable characteristics of mobile office. However, in general, if such products want to be exported to the US market, it is necessary to apply for the US FCC-ID certification.

A wireless keyboard is a Bluetooth device in which there is no direct physical connection between the keyboard body and the computer, and the input information is transmitted to a special receiver through infrared or radio waves. But generally this kind of product wants to export to enter the European Union market to need to apply for CE-RED certification.

The power switch is used to control the switch tube through the circuit to conduct high-speed pass and cut off, convert the direct current into high-frequency alternating current and supply it to the transformer for transformation, thereby generating the required one or more sets of voltages. However, in general, RoHS certification is required for such electronic and electrical products to be exported to the EU market.

The reading pen for children is a high-tech product that uses the latest international optical image recognition technology. It uses the international advanced OID invisible code technology, breaking through the traditional technical barriers of similar products, and setting up a new milestone in the education electronics industry. It also realizes many functions such as point reading, translation, repetition, and games, and plays an important role in family education. But generally this kind of electronic products need to apply for CE certification if they want to export to the EU.

The light of the night light is soft and can play a guiding role in the darkness. Its shape is ever-changing. The materials include ceramic, wood, iron, acrylic, metal and other materials. The night light has a rich variety and strong optionality. The home furnishing effect of decoration and embellishment is deeply loved by people. However, it is necessary for Xiaoye Deng to apply for RoHS testing and certification before entering the market. The following is a related introduction about the RoHS testing and processing of Xiaoye Deng.

The USB fan is a miniature electric fan applied to the USB interface of a desktop computer or a notebook computer. It is connected to the computer through the computer\'s USB interface, and the flexible bellows can make the USB fan blow in any direction, and it is very power-saving. Nowadays, it is loved by more and more people, and the market is gradually getting bigger. More and more companies begin to export trade, but in general, these products need to apply for FCC certification? if they want to export to the United States.