Tx Systems is a provider of smart card and biometric solutions. As the distributor for SCM Microsystems, Tx Systems offers the smart card development tools, software, a variety of card readers and other accessories. The contactless terminals are backed with ongoing support and service. The SX Biometric Solutions include a variety of terminals, as well as log on software and SDKs. Tx Systems also provides a line of smart cards and software that include Tx Log On, a secure PC log on system; iCafeCard, a prepaid Internet access system; ValueCard, a gift card system; and several SDKs. Tx Systems is headquartered in San Diego.