repeaters for receiving signals through electromagnetic or optical transmission medium, amplifying the signals and retransmitting the signals along the next log of the medium, such as wireless repeaters for mobile communication systems, cellular phones, telephone apparatus, duplex filters, radio frequency filters, radio frequency transformers, portable data-storing devices for electronic equipment, namely, flash memory cards, flash disk drives

Wholesale and retail outlets featuring electronic components, purchasing agents and selling agents featuring electronic components, wholesale and retail outlets featuring electronic components via a global computer network, export and import agent services, business marketing and direct mail consulting services, and providing a searchable database in the field of electronic information available via a global computer information network