The main business of Realtek semiconductor company is to design, inspect, sell high quality IC which mainly used on the consume electron, computer and communication equipments, as will as supply the technic consultation and system software. Realtek semiconductor company is the biggest IC design company which founded in 1987 and located in xinzhu, Taiwan.More than 300 people working in the company and 80% of them have bachelor degree or master’s degree.
   

Realtek think much of developing the technology which invests 30% of the income each year to research the new products. At present is has 400 products and 30 plus world patents.
   

The success of the Realtek semiconductor company is “core technology”, Viz. emphasizes the empolder of the system but not only the unit design of the chips. Company combined many advanced technology and design means of the key components (DS processor, tiny controller, different kinds of memorizer) of the computer system, multimedia, communication network, consume electronic created a single system standard chip. RTL8019AS-LF: ISA 10M Full-Duplex Ethernet Controller can broadly used on the industry control, VOIP, SOHO ROUTER need install into the internet equipment. 

RTL8100BL-LF/RTL8139D-LF: Single-Chip 10/100M Fast Ethernet Controller mostly used on the network card or PCI/MINI PCI 10/100M etc. internet equipments.

RTL8305SC-LF: Single-Chip 5-Port 10/100M Fast Ethernet Switch Controller with Dual MII Interfaces, used on 5 port exchanger, soho router, gateway, light fibre transceiver as well as the equipments which should expand into internet. 

RTL8309SB-LF ingle-Chip 9-port 10/100M Fast Ethernet Switch Controller, used on 8 port exchanger

RTL8201BL-LF/RTL8201CL-VD-LF/RTL8201CP-VD-LF: Single-Port 10/100M Fast Ethernet PHYceiver used on the equipments which should install to the internet. 

RTL8201BL-LF/RTL8201CL-VD-LF/RTL8201CP-VD-LF: Single-Port 10/100M Fast Ethernet PHYceiver, used on the equipment which should connect to the internet.