http://www.amazon.com/s/qid=1301479521/ref=sr_pg_2?ie=UTF8&keywords=adapter&me=A7N3JFD3LRLVE&rh=k%3Aadapter&page=2
20G 1500MW Power Wireless LAN RTL8187L USB WiFi Adapter
Features:
IEEE 802.11g/b, WPA/WPA2 Compliant, Attachable Antenna
Connects at a full 54Mbps via USB 2.0, up to 8 times faster than a USB 1.1 adapter
High gain upgradeable
Compact size for greater flexibility
Also compatible with USB 1.1 desktop and notebook computers
Plug-and-Play Compatible with windows 98SE, 2000, Millennium, XP and Linux
High security 64/128/256bit WEP Encryption, TKIP, WPA, 802.11
Dimention :8.5*2.2*6.3cm
Weight :38.5g
Description:
Standards : IEEE 802.11b and IEEE 802.11g
Interface: USB 2.0 mini USB
Data Rate:
IEEE 802.11b: 1, 2, 5.5, 11Mbps
IEEE 802.11g: 6, 9, 12, 18, 24, 36, 48, 54Mbps
Transmit Power: 30 dBm +/- 1dBm
Range Coverage:
Indoor 100~200 meters
Outdoor 300~500meters
Frequency Band : 2.412GHz - 2.484GHz ISM band
Transmitter Power: 1500mW max.
Sensitivity for 802.11b:
1, 2 Mbps (BPSK, QPSK): - 96dBm
11 Mbps (CCK): -91dBm
(Typically @PER < 8% packet size 1024 and @25°C ± 5°C)
Sensitivity for 802.11g:
54Mpbs (64QAM): -76dbm
48Mbps (64QAM): -71dbm
36Mpbs (16QAM): -78dbm
24Mbps (16QAM): -80dbm
18Mbps (QPSK): -81dbm
12Mpbs (QPSK): -82dbm
9Mbps (BPSK): -85dbm
6Mbps (BPSK): -91dbm
(typically @PER < 10% packet size 1024 and @25°C ± 5°C)
Data Modulation Type: BPSK,QPSK, CCK and OFDM
Security: 64/128bit WEP, wpa-psk, wpa2-psk, wpa 802.1x, wp2 802.1x
Supporting O.S.:
windows98SE/ME/2000/XP/VISTA/MAC/LINUX
Mac v10.4 and later
Linux 2.6
Package Including:
1 x High Power Wireless USB WiFi Adapter
1 x 5DB Antenna
1 x USB cable
1 x CD
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