Introduction
300M Wireless USB Adapter with Ethernal Antenna
HT-WR820E
·HT-WR820 is a 802.11n USB Wireless adapter
· Chipset:Realtek8188
· 300M wireless transfer rate
·This product can bed used to computer, PSP, media player and 
other device which need the wireless application.
·High-Speed USB2.0
·Support soft AP mode
·A Ethernet Detachable Antenna
Introduction
Features:
1. MIMO technology improves data throughput and range over existing 802.11b/g products
2. Add high-speed Wireless-N (draft 802.11n) Internet access to any USB enabled computer
3. Download music & movies, surf the internet and e-mail up to 5 times faster than previous generation
wireless networks (Wireless 802.11g)
4. Offers greater coverage than Wireless-G networks for internet access throughout your home or office
5. Works with older Wireless-G and Wireless-B networks
6. Wi-Fi Protected Setup (WPS) simplifies setup and operation
7. Operating distance of up to 300 feet indoor, and up to 900 feet in open space
8. Data transfer rate of up to 300Mbps
9. use External 2dbi antenna

Specification:

Wireless Standards IEEE 802.11n (draft)
IEEE 802.11g
IEEE 802.11b
Host Interface High speed USB2.0/1.1 interface
Wireless Signal Rates with Automatic
Fallback
802.11n: up to 300Mbps(Dynamic)
802.11g: up to 54Mbps(Dynamic)
802.11b: up to 11Mbps(Dynamic)
Frequency Range 2.4GHz-2.4835GHz
Wireless Transmit Power 18dBm(EIRP)
Modulation Type DBPSK,DQPSK,CCK,OFDM
Receiver Sensitivity 270M: -68dBm@10% PER
54M: -68dBm@10% PER
11M: -85dBm@10% PER
Work Mode  Ad-Hoc Infrastructure, soft AP
Wireless Security WPS, 64/128big WEP, WPA/WPAS,
WPA-PSK/WPA2-PSK(TKIP/AES)
Support Operation System Windows XP/VISTA/Win7/Linux/Macintosh
Interface USB2.0 Hi-Speed connector
Antenna Type Internal Omni-directional PIFA Antenna
Environment Operating Temperature: 0oC to 40oC
Storage Temperature: -40oC to 70oC
Operating Humidity: 10% ~ 90% (Non Condensing)
Storage Humidity: 5% ~ 95% (Non Condensing)
Compliant CE Mark (Europe)
RoHS Compliant
Wi-Fi Compliant

Driver download link:

For linux_v4.3.1.1_11320
For MacOS
For Windows
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HTF ELECTRONIC CO.,LTD