Product General Standards Wireless: IEEE 802.11a/b/g Ethernet: IEEE 802.3/u (10/100BaseTx) Data Rate 802.11b: Up to 11 Mbps 802.11g: 54Mbps (108Mbps) 802.11a: 54Mbps (108Mbps) OS Supported: Windows 98SE /Windows ME/Windows 2000 /Windows XP Physical Spec. Dimension: L x W x H:9x7Cm Interface 1 x 100BaseTX with Automatic MDI/MDIX 2 pin connect to heater board Power Jack: 2.1 mm (inner size) Default Reset Button Antenna Type: 1 x MMCX connector Diverrsity) 1 x N type Hard Ware : Chipset CPU/BB/MAC: Atheros 2313 Radio: Atheros 5112(2112) PA: Jjplus (2509,5509) Phy: F2 H/W watch dog (inside AR2313) Memory Flash: 4MB-8MB SDRAM: 16MB-32MB LED Power/Status: steady green WLAN: green for wireless connectivity / activity LAN : green for LAN connectivity / activity System check: green for ok Frequency Range IEEE802.11a: 5150 MHz ~ 5250 MHz (Japan) 5150 MHz~ 5350 MHz /5470 MHz~5725 MHz (Europe) 5150 MHz~5350 MHz / 5725 MHz~5850 MHz (USA) IEEE802.11g/b: 2412 ~ 2462 MHz (N.A) 2412 ~ 2472`MHz (EU) 2412 ~ 2484 MHz (Japan)