USB wireless card which is good?

USB Wireless card which is good?

To choose a good USB wireless network card standard:

1. Wireless Standard

Currently, wireless LAN devices in the market mainly support IEEE 802.11g and IEEE 802.11n two standards. Network adapters that support IEEE 802.11g+ standards, with a maximum transfer rate of 108Mbps, network adapters that support IEEE 802.11n standards, and a maximum transmission rate of 300Mbps, and a network adapter that supports IEEE 802.11B standards with a maximum speed of 11Mbps; support for IEEE 802.11G standard network card, the highest speed is 54Mbps, these standards are backward-compatible, consumers in the purchase time to pay attention! Don't be fooled by the merchants!

Recommended reading: How to install wireless network card driver?

2. Transmitting power

As long as the wireless LAN devices have a certain transmission power, the transmission power of the USB wireless network card is of course the higher the better, so that its transmission distance will be farther, we choose when we try to select the high transmission power of the wireless network card. Especially with the antenna technology, it can improve the wireless network card signal coverage, so that users can have efficient and stable wireless networks.

USB Wireless network Card

3, interface

USB Wireless 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 been adopted USB2.0 interface. The USB2.0 interface can provide 480Mbps of data communication bandwidth, while USB1.0 is much slower.

USB Wireless network Card

4, Product profile

USB Wireless card can be divided into box type and U disk type two appearance forms. The USB wireless card with a box is standard with a data extension line, most are antenna exposure, these designs are designed to facilitate its placement on the desktop, and U disk type USB wireless network card with the same standard data extension, its USB interface can be directly plugged into the computer's USB interface, because its antenna is built, So it is not convenient to adjust the direction of the antenna. In contrast to the two, U disk type of wireless card is more compact and convenient to carry.

USB Wireless network card recommended: tp-link150m Wireless USB Card

tp-link150m Wireless USB card tl-wn723n has exquisite small mini modelling, uses the advanced 11N wireless technology, the wireless transmission rate is up to 150Mbps, the connection is stable, the performance is advantageous, the function is practical, the price is cheap. In particular, it is better to be compatible with Internet TV, media Player, IPTV set-top box and other devices, more wireless fun, let you enjoy.

USB Wireless network card recommended: Tp-link tl-wn822n 300M High gain 11N Wireless USB network card

Can buy such as Tp-link tl-wn822n 300M high gain 11N Wireless USB card. Suitable for the wall is also thick enough, such as: 1 meters.

Recommended recommendations for USB wireless network card:

You have to say what kind of wireless network card Ah, roughly two, one is to receive the WLAN, the other is the use of the current 3G network equipment. The first kind of words depends on how far your desktop is from the signal source, you can test the signal strength with a WiFi-enabled handset, if only two or less recommend you to buy which length of the line can be placed outdoors, if the signal strength is strong, then Huawei, Tp-link, D-link,　　Lei Ke These in the use of the effect is not very different. The second is to consider which carrier's fee card you want to use, mobile 3G cheaper, but the coverage area to small, slow, telecom and unicom coverage and speed is also good, more expensive, select the operator to select the network card, because the basic network card only supports a 3G format, brand words ZTE, Huawei is not bad, miscellaneous brands do not choose, easy to go wrong.

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