With the advancement of the times, the price threshold of wireless network products has also been continuously reduced. Wireless network cards are widely favored by business people because they can surf the Internet anytime and anywhere. So what is the wireless network card ? Which wireless card is better? The following decoration home decoration network Xiaobian will give you an answer one by one, I hope to be helpful to everyone.
What is a wireless network card?
A wireless network card is a device of a terminal wireless network, and is a terminal that transmits data by using a wireless signal without a wired connection.
Wireless network cards are mainly based on different interfaces, such as PCMCIA wireless network card, PCI wireless network card, MiniPCI wireless network card, USB wireless network card, CF/SD wireless network card.
The function and function of the wireless network card is the same as that of the ordinary computer network card, which is used to connect to the local area network. It is only a device for signal transmission and reception. Only when it finds the Internet outlet, it can connect to the Internet. All wireless network cards can only be limited to the range of wireless LAN. A wireless network card is a network card that is connected by wireless signals without a wired connection. The mainstream application of wireless networks is divided into GPRS mobile phone wireless network access and wireless LAN.
Which wireless card is better?
1. Wireless standards: Currently, wireless LAN devices on the market mainly support IEEE 802.11g and IEEE 802.11n standards. Supports IEEE 802.11g+ standard network card, the maximum transmission rate is 108Mbps ; the network card supporting IEEE 802.11n standard, the maximum transmission rate is 300Mbps , and the network card supporting IEEE 802.11b standard, the maximum rate is only 11Mbps ; the network card supporting IEEE 802.11g standard The maximum rate is 54Mbps . These standards are backward compatible. Consumers should pay attention when purchasing.
2 , the transmission power: as long as the wireless LAN device has a certain transmission power, the transmission power of the USB wireless network card is of course the higher the better, so its transmission distance is farther, we try to choose the transmission power when purchasing High wireless network card. Especially with antenna technology, it can improve the coverage of wireless network card signals, so that users can have efficient and stable wireless network.
3 , interface: USB wireless network card interface is mainly divided into USB 2.0 , 1.1 , 1.0 three, and now most of the USB interface wireless network card has adopted USB2.0 interface. The USB 2.0 interface provides 480 Mbps of data communication bandwidth, while USB 1.0 is much slower.
4 , product shape: USB wireless network card can be divided into box type and U disk type two appearance forms. The box-type USB wireless network card comes standard with a data extension cable, most of which are exposed on the antenna. These designs are designed to make it easy to place on the desktop. The USB flash drive type USB flash drive also comes standard with a data extension cable. The USB interface can be directly plugged into the USB interface of the computer . Since its antenna is built in, it is not convenient to adjust the direction of the antenna. Compared with the two models , the U disk type wireless network card is smaller and more convenient to carry.
The above is what the small series brings to you. What is the wireless network card? Which wireless card is better? I believe that everyone has a basic understanding of what wireless card is after reading this article. If you want to know more about decoration consultation, please click to enter the decoration knowledge channel .
More related wonderful reading:
Can the router be used as a switch? The difference between switches and routers
Which brand of router is good? Router brand leaderboard
How to install a wireless router? Wireless router installation steps
What router is good? Router brand ranking
How to set up tplink wireless router? Wireless routing settings
Stainless Steel Pots are made from high-grade 18/8 stainless steel. This material is food grade, non-toxic, durable and easy to clean.
Our Stainless Steel Pots are mostly Stainless Steel Vacuum Water Pots. They have a double-wall vacuum treatment, so they can ensure your drink keeps as it is. And you don't need to worry about getting your hands cold or hot.
Stainless Steel Single Wall Pot has a single wall. It sacrifices thermal insulation and improves portability. Holding it in your hand all the time will not cause any discomfort.
Vacuum Travel Pot,Vacuum Coffee Pot,Stainless Steel Pot,Vacuum Pot
Ningbo Auland International Co.,Ltd. , https://www.eversportsbottle.com