ELECTRONIC COMPONENTS, NAMELY, INTEGRATED CIRCUITS, SEMICONDUCTOR DEVICES, NETWORK CARDS, NAMELY, LOCAL AREA NETWORK COMPUTER CARDS FOR CONNECTING PORTABLE COMPUTER DEVICES TO COMPUTER NETWORKS, INTERFACE CARDS FOR DATA PROCESSING EQUIPMENT IN THE FORM OF PRINTED CIRCUITS AND COMPONENTS FOR TRANSMITTING AND/OR ENCODING SIGNALS, NAMELY, TELECOMMUNICATIONS TRANSMITTERS AND RECEIVERS, LINE INTERFACE UNIT SEMICONDUCTORS