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It has high power and high sensitivity.
Further, it provides an external antenna which can easily advance your distance and performance more flexible. To protect your wireless connectivity, the high-speed wireless USB adapter can encrypt all wireless transmissions through 64/128/256-bit WEP data encryption and also supports WPA. With the High-Speed Wireless USB Adapter, you will experience the best wireless connectivity available.
Features:
· Connects at a full 54Mbps High Speed Transfer Rate for 802.11g .
· Detachable antenna with RP-SMA connector - upgradeable to a higher power antenna for a wider wireless coverage.
· High Output Power up to 500mW (27 dBm) for extend the coverage range up to 5x than standard USB adapters.
· Operating distance of up to 1000 meters in free space.
· Plug -and-Play compatible with all desktop computers/laptops/notebooks which with or without WLAN card.
· Software AP Function, Support PSP, X-Link, QoS, WMM.
· High security 64/128/256bit WEP Encryption, TKIP, WPA, 802.11
Note: This product can not be used for Win7 system.



Size(Adapter):
84x57x10 mm, or 3.31x2.24x0.39 in

Size(Antenna):
189 mm, or 2.17 in

Model
GS-27USB-50

Standard:
IEEE 802.11b, IEEE 802.11g (WIFi Compatible)

Chipset
Realtek RTL8187+RL8225

Frequency Band:
2.412GHz ~ 2.484GHz unlicensed ISM band

Data Rate:
IEEE 802.11b: 1, 2, 5.5, 11Mbps
IEEE 802.11g : 6, 9, 12, 18, 24, 36, 48, 54Mbps

Output Power
27dBm/500mW

Transmitter Power:
11g 15 ± 2dBm@54Mbps
11b 25dBm ± 2dBm

Operating Range:
Up to 1000M in open environment

Power Consumption:
Transmit: ＜ 600mA Receive: ＜ 400mA

Antenna
Model:GS-27USB-50 (with 5dBi RP SMA dipole antenna)

Security:
WEP (64/128/256bit), WPA, WPA-PSK,
WPA2 TKIP/AES, WPA2-PSK

I/O Interface:
USB2.0/1.1

Operating System:
Windows98SE, ME, 2000, XP, SP2, Vista , MAC, Linux

Operating Temperature:
-20°C ~ + 70°C

Storage Temperature:
-40°C ~ + 80°C

Humidity:
10 ~90% (non-condensing)

Channels:
2412~2462 MHz (US) 11 channels,
2412~2472 MHz (EU) 13 channels
2412~2484 MHz (Japan) 14 channels

LED:
Link/Active

Receive Sensitivity:
Operating at 11Mbps: ＜ -82dBm@8%PER,

54Mbps: ＜ -65dBm@8%PER

Data Modulation Type
802.11b: BPSK,QPSK, CCK
802.11g : OFDM

NetWeight:
60 g, or 2.17 oz