The TP-LINK TL-WN422G Wireless USB Adapter gives you the flexibility to install the PC or notebook PC in the most convenient location available, without the cost of running network cables. With powerful 4dBi detachable antenna, the TL-WN422G remains excellent performance in the long range and bad environment, it can receive signal from wireless base even separated by 2 floors. The USB adapter can be plugged to the laptop directly or put on the table, convenient and portable to carry, it´ s a right choice if you need a pocket USB adapter. Its auto-sensing capability allows high packet transfer up to 54Mbps for maximum throughput, or dynamic range shifting to lower speeds due to distance or operating limitations in an environment with a lot of electromagnetic interference. It can also interoperate with all the 11Mbps wireless (802.11b) products. Your wireless communications are protected by up to 256-bit encryption, so your data stays secure. Additionally, TL-WN422G supports Soft AP, which supports PSP connection, brings you joyful Online-gaming experience.

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Standards IEEE 802.11g, IEEE 802.11b
Wireless Signal Rates With Automatic Fallback 11g:54/48/36/24/18/12/9/6 Mbps (Dynamic)
11b:11/5.5/3/2/1 Mbps (Dynamic)
Frequency Range 2.4-2.4835GHz
Wireless Transmit Power 20dBm(MAX)(EIRP-total effective radiated power is 20 dBm(100mW)
, antenna gain will not influence wireless transmit power)
Modulation Type 1M DBPSK, 2M DQPSK, 5.5M/11M CCK, 6M/9M/12M/18M/24M/36M/48M/54M OFDM
Receiver Sensitivity (without antenna) 54M: -68dBm@10% PER
11M: -85dBm@8% PER
6M: -88dBm@10% PER
1M: -90dBm@8% PER
256K: -105dBm@8% PER
Work Mode Ad-Hoc
Infrastructure
Soft AP
Wireless Security 64/128/256 bit WEP
WPA/WPA2, WPA-PSK/WPA2-PSK (TKIP/AES)
Support Operating System Windows 98SE/ME/2000/XP/Vista

Hardware Specification
Interface USB2.0 Hi-Speed connector
Antenna Type 4dBi Detachable Omni-directional Antenna
Certifications CE, FCC
Operating Temperature 0¡ãC~40¡ãC (32¨H~104¨H)
Storage Temperature -40¡ãC~70¡ãC (-40¨H~158¨H)
Relative Humidity 10% ~ 90%, non condensation
Storage Humidity 5%~90% non-condensing
Dimensions 3.7 x 1.0 x 0.4in. (93.5 x 26 x 11mm)