PCI LAN 10/100Mbs Ethernet adapter @ Very lowest Price. DESCRIPTION OF (TE-L8139D) 10/100 NETWORK ADAPTER A high performance Auto Negotiation Ethernet Adaptor, the Tenda LAN Adapter L8139D 10/100 delivers reliable wired network connectivity for your desktop PC. Offering auto negotiation function, it automatically recognises the connected network device's speed rate and duplex mode. Complying with IEEE802.3 10Base-T and IEEE802.3u 100Base-TX, the RJ45 port auto senses speed and duplex mode of the other end of the link and makes the right choice. Besides, it can automatically switch between 10 Base-T and 100Base Tx. This adaptor fits well into the PCI slot of your desktop . You can also use it to access the Internet, surf the web, check your e-mail etc. Alternatively, it can also be used to share documents, music, and photos through your wired network. TECHNICAL SPECIFICATIONS OF (TE-L8139D) 10/100 NETWORK ADAPTER PACKAGE CONTENTS Contents L8139D 10/100 Mbps Auto Negotiation Ethernet Adaptor GENERAL Brand Tenda Model TE-L8139D Type 10/100 Mbps Auto Negotiation Ethernet Adaptor Colour Green SPECIFICATIONS Standards IEEE 802.3, IEEE 802.3u Transmission Media 10Base T: Cat.3 or 3 e UTP; 100Base- Tx: Cat 5 UTP Packet Buffer 1024b Interface PCI Certificate CE, RoHS Driver Installation- 1- If you have the following operating system like Windows 2000, Windows XP, Windows 2003, Windows Vista, Windows 7 and Windows 8, They may be supplied with a suitable driver and install driver automatically when you are start the PC first time after installing the device. 2- If ur operating system is one of the following Windows 98, windows Me, Linux, or Novell. Please go to the website and download the driver.