Ubiquiti SR71X - 11n MIMO, 802.11a/n, 802.11b/g/n 2- MMCX New in Retail Box Product Description: Extended Range and 300Mbps Wireless Speeds The SR71-X is the world's first hi-power 11n MIMO Express Card solution with support for hi-gain external antennas. Chipset Radio Operation Interface Antenna Ports Temperature Range Indoor Range (Antenna Dependent) Outdoor Range (Antenna Dependent) Antenna OS Support Atheros AR9280 IEEE 802.11a/n, 5GHz, 802.11b/g/n 2.4GHz PCI Express Card Dual MMCX Connectors -30 to +75C Up to 500m Over 50km (antenna dependent) (2) 6dBi omni laptop swivel antenna (included) Windows Vista, XP, 2000 IEUSR71X In Stock Sales Assistance: 800-832-5168 (9:30-6 Pacific, M-F) Phone-Orders and Will-Calls are welcome! Call us before you arrive in-store! Holiday Dec.24 & 31 Office are closed. For UPS Holiday delivery schedule, visit http://compass.ups.com/ All items carry a 14-day money back guarantee (15% re-stocking and without shipping charge) For OPENED Software Package with manufacturer guarantee, the customer should contact the manufacturer directly for service or exchange If "Shipping Charge" shown on your order is less than $4, you must please call or e-mail us to confirm the correct "Shipping Charge" All trademarks, registered trademarks, and names are the property of their respective owners.