Manufacturer: TP-Link
Model: TL-WN821N
More Info: External link
What This Product Does
Wireless N USB Adapter TL-WN821N allows you to connect a desktop or notebook computer to a wireless network and access high-speed Internet connection. Comply with IEEE 802.11n, they provide wireless speed up to 300Mbps, which is beneficial for the online gaming or even HD video streaming.
Wireless N – Speed & Range
With MIMO (multiple input, multiple output antennas) technology, it shows more excellent abilities of mitigating data loss over long distances and through obstacles in a small office or a large apartment, even in a steel-and-concrete building. Above all, you could easily pick up the wireless network during long-distance connection where legacy 11g products may not!
Quick Features
- Excellent N speed brings best experience for HD video streaming or Internet calls
- MIMO technology with stronger signal penetration strength, wider wireless coverage, providing better performance and stability
- Easy wireless security encryption at a push of the WPS button
- Supports Windows XP / Vista / 7 / 8 / 8.1, Mac OS X 10.7~10.10, Linux
Specification
Hardware Features
Interface    USB 2.0
Button    WPS Push Button
Dimensions ( W x D x H ) Â Â Â 2.7x 0.8 x 0.4 in. (69 x 21 x 9.5mm)
Antenna Type    On-Board
Wireless Features
Wireless Standards    IEEE 802.11n, IEEE 802.11g, IEEE 802.11b
Frequency    2.400-2.4835GHz
Signal Rate    11n: Up to 300Mbps(dynamic)
11g: Up to 54Mbps(dynamic)
11b: Up to 11Mbps(dynamic)
Reception Sensitivity    270M: -62dBm@10% PER
130M: -65dBm@10% PER
108M: -68dBm@10% PER
54M: -68dBm@10% PER
11M: -85dBm@8% PER
6M: -88dBm@10% PER
1M: -90dBm@8% PER
Transmit Power    <20dBm(EIRP)
Wireless Modes    Ad-Hoc / Infrastructure mode
Wireless Security    Support 64/128 bit WEP, WPA-PSK/WPA2-PSK
Modulation Technology    DBPSK, DQPSK, CCK, OFDM, 16-QAM, 64-QAM
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