TP-LINK TL-WN551G ver 1.5 is based on the Atheros chipset. Supports "Extended Range" which is characterized by increased sensitivity to the radio. This allows you to achieve further coverage from the AP using Atheros chipset.

Characteristics:

    * Standartami compatible with IEEE 802.11g and 802.11b
    * The speed of the radio path to 54Mbps with Auto-Negotiation
    * Available PCI 32bit
    * Mode Ad-Hoc or Infrastructure (to work with Access Point)
    * 64/128/152 WEP encryption
    * Compatible with the protocols of security: WPA/WPA2, IEEE802.1x, TKIP, AES
    * Compatible with Windows 98SE/2000/XP

Other Specifications:

    * 2,4-2,483 GHz frequency range
    * Output Power 17dBm
    * Antenna output - RPSMA
    * Dimensions 133x121x22mm
    * Operating temp range 0-40 degress