TP-Link 300MBPS WIRELESS N PCI ADAPTER(TL-WN851ND) http://www.snapdeal.com/product/tplink-300mbps-wireless-n-pci/1490749 Price Comparison 1. Amazon @ RS 999 http://www.amazon.in/TP-Link-TL-WN851ND-Wireless-PCI-Adapter/dp/B005NHIQ06 2. Flipkart @ RS 999 www.flipkart.com/tp-link-tl-wn851nd-wireless-n-pci-adapter-nic/p/itmdhwfvuztnthfm 3. infibeam @Rs 1026 www.infibeam.com/Computers_Accessories/tp-link-w-l-pci-adapter-300-mbps/P-coac-43518784395-cat-z.html 4. Grabmore @RS 2336 http://www.grabmore.in/products/084...eless-N-PCI-Adapter-with-2x-2dBi-Antenna.html 5. ebay @Rs 1435 http://www.ebay.in/itm/Brand-New-TP...ireless-N-PCI-Adapter-TL-WN851N-/380507306976 Description of TP-Link 300MBPS WIRELESS N PCI ADAPTER(TL-WN851ND) Get the perfect connectivity with the TP-Link 300MBPS WIRELESS N PCI ADAPTER(TL-WN851ND) that allows you to connect a desktop computer to a wireless network as well as a high-speed Internet connection. It features MIMO (Multiple Input Multiple Output) antennas, which provide excellent connectivity over long distances through obstacles in a small office or large apartments, and even in steel-and-concrete buildings. The CCA (Clear Channel Assessment) automatically avoids channel conflicts using clear channel selection features and fully realises the advantages of channel binding, greatly enhancing wireless performance. The TP-Link 300MBPS WIRELESS N PCI ADAPTER(TL-WN851ND) features security options galore! This device supports WEP encryption as well as WPA/WPA2 encryption for maximum protection. It features Quick Security Setup (QSS) function that allows you to easily create a Wi-Fi encrypted connection without external intrusion while maximising external resources. The device easily creates a protected network without requiring you to remembering a password. Further, the TP-Link 300MBPS WIRELESS N PCI ADAPTER(TL-WN851ND) comes with a bundled CD, which allows you to easily create a wireless network and configure it for maximum protection. Technical Specifications of TP-Link 300MBPS WIRELESS N PCI ADAPTER(TL-WN851ND) HARDWARE FEATURES Interface 32-bit PCI Dimensions ( W x D x H ) 5.2 x 4.8 x 0.9 in. (133 x 121 x 22mm) Antenna Type Omni Directional, Detachable (RP-SMA) Antenna Gain 2x2dBi WIRELESS FEATURES Wireless Standards IEEE 802.11n, IEEE 802.11g, IEEE 802.11b Frequency 2.400-2.4835GHz Signal Rate 11n: Up to 300Mbps(dynamic), 11g: Up to 54Mbps(dynamic), 11b: Up to 11Mbps(dynamic) EIRP <20dBm Reception Sensitivity 270M: -68dBm@10% PER, 130M: -68dBm@10% PER, 108M: -68dBm@10% PER, 54M: -68dBm@10% PER, 11M: -85dBm@8% PER, 6M: -88dBm@10% PER, 1M: -90dBm@8% PER Wireless Modes Ad-Hoc / Infrastructure mode Wireless Security Support 64/128 bit WEP, WPA/WPA2, WPA-PSK/WPA2-PSK Modulation Technology DBPSK, DQPSK, CCK, OFDM, 16-QAM, 64-QAM OTHERS Certification CE, FCC, RoHS Package Contents Wireless Adapter, Resource CD, Quick Installation Guide System Requirements Windows 7(32/64bits), Windows Vista(32/64bits), Windows XP(32/64bits), Windows 2000 Environment Operating Temperature: 0℃-40℃ (32℉-104℉), Storage Temperature: -40℃-70℃ (-40℉-158℉), Operating Humidity: 10%-90% non-condensing, Storage Humidity: 5%-90% non-condensing