TP-Link bežični USB adapter 300Mbps (2.4Ghz),,TL-WN821N

Features
- Provides two methods of operation: Infrastructure and Ad-Hoc
- Adopts MIMO technology for wireless rates of up to 300Mbps
- Adopts CCA technology which automatically avoids channel conflicts using its channel selection feature
- Quick Secure Setup, complies with WPS for worry free wireless security
- Supports 64/128-bit WEP, complies with 128 bit WPA standard(TKIP/AES), supports MIC, IV Expansion, Shared Key Authentication, IEEE 802.1X
- Simple Configuration and monitoring
- Supports Roaming technology, guaranteeing efficient wireless connections
- Supports Windows 2000/XP/Vista/7

Specifications
- Standards: IEEE 802.11n, IEEE 802.11g, IEEE 802.11b, CSMA/CA with ACK
- Wireless Signal Rates With Automatic Fallback:
* 11n: Up to 300Mbps (dynamic)
* 11g: Up to 54Mbps (dynamic)
* 11b: Up to 11Mbps (dynamic)
- Frequency Range: 2.4-2.4835GHz
- Wireless Transmit Power: 20dBm (max. EIRP)
- Modulation Type: OFDM/CCK/16-QAM/64-QAM
- Receiver Sensitivity:
* 270M: -68dBm@10% PER
* 130M: -68dBm@10% PER
* 108M: -68dBm@10% PER
* 54M: -68dBm@10% PER
* 11M: -85dBm@8% PER
* 6M: -88dBm@10% PER
* 1M: -90dBm@8% PER
- Security: 64/128-bit WEP, WPA/WPA2, WPA-PSK/WPA2-PSK (TKIP/AES)
- Support Operating System: Windows 7 (32/64-bits), Windows Vista (32/64-bits), Windows XP (32/64-bits), Windows 2000