The reporter learned from the Science and Technology Department of Qinghai Province that the “123†technology support plan “development and industrialization of high-power packaging high-power LED lighting products†undertaken by Qinghai Original Electronic Industry Co., Ltd. has achieved industrialization.
It is understood that the project introduces patented technology for high-power LED packaging outside the province. After nearly 2 years of product development, it has solved the heat dissipation problem of high-power LED lighting products, and developed different power LED lighting lamps and LED bulbs to meet market demand. The lamp and LED spotlights have built a multi-chip packaging production line and two LED lighting product assembly lines. As a nationally encouraged energy-saving product, its products have achieved an added value of 20.31 million yuan and a new export of 3.58 million US dollars. The market prospect is broad.
The name of wireless router can be separated out of two keywords: wireless and routing. Understand the technical principle behind these two words, you understand the wireless router.
Wireless is also what we often call Wi-Fi. Wireless routers can convert home broadband from wired to wireless signals, and all devices can happily surf the Internet as long as they connect to their own Wi-Fi. In addition, these devices also form a wireless local area network, where local data is exchanged at high speed and is not limited by the bandwidth of home broadband.
For example, many people have smart speakers in their homes that can be used to control various smart appliances. When you say small X small X, turn on the TV, the speaker actually finds the TV through the LAN and sends instructions, and does not need to connect to the Internet; And if you let it broadcast news, you have to get data through the Internet.
The Local Area Network we talked about earlier, also known as the Intranet, is represented by the Local Area Network (LAN) on the router, so the Wi-Fi signal is also called WLAN(Wireless LAN); The Internet we want to access, also known as the extranet, is represented on the router by the WAN(Wide Area Network).
On the Intranet, the IP address of each device is different, which is called a private address. All devices on the Internet share the same public address, which is assigned by broadband operators such as China Telecom Unicom.
The router is the bridge between the Intranet and the external network. The above mentioned IP address translation, packet forwarding, is the router routing function.
In other words, the router is the hub of the home network, and the data of all the devices must be forwarded through it to access each other or reach the external network, which means that one husband is the key and ten thousand men are not open, so the comprehensive router is also called "home gateway".
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