USB, LPT, COM

Bestek ECC4061

Bestek ECC4061 6 Serial port, MCS9845CV, PCI

Bestek EXP-RS232-1P-ZT

Bestek EXP-RS232-1P-ZT RS-232 Serial COM-port, ZT, PCMCIA Express Card (34mm)

Bestek PCM-RS232-1P-OXCF

Bestek PCM-RS232-1P-OXCF RS-232 Serial COM-port, OXCF/950, PCMCIA