Compare 3Com Megahertz 56K Global GSM WinModem Analog Modem (3CCM656) to 3Com HomeConnect ADSL Modem 1WAN (3CP3617)

Travel the world and stay on-line with the Global GSM WinModem PC Card. Optimized for Windows 95 or 98, this PC Card delivers fast 56K data transfers over land-line. ??You can enjoy wireless access by connecting your GSM PC Card directly to select GSM handsets with a separately sold cable. When you're on the road, losing and breaking PC card connectors can cause you grief. This PC card provides a solution. Hot swapping allows you to switch PC Cards without rebooting or exiting Windows. The included data/fax/voice software enables telephony features, facilitates faxes directly from any Windows or Windows 95 application, and transfers data files at the click of a button. The Global GSM WinModem PC Card supports tone dialing, rotary dialing, and full duplex transmission. Because it's software upgradable, it easily accommodates the latest standards and capabilities. Your investment will never become obsolete. Megahertz guarantees their PC cards to be compatible with all portable comput... Less

3Com's new HomeConnect ADSL Modem PCI is an internal card that plugs into the PCI bus of a PC. Offering users faster connectivity than traditional access technologies, the HomeConnect ADSL Modem PCI features a downstream line rate of up to 8 Mbps and an upstream line rate of up to 1 Mbps. Its always-on access eliminates the wait time associated with dial-up modems, and the exceptional downstream bandwidth eliminates the lengthy delays associated with downloading large documents or images. Best of all, the HomeConnect ADSL Modem PCI works over existing phone lines so users don't have to invest in additional lines for data access.??The HomeConnect ADSL Modem PCI is built on the industry-standard Discrete Multi-Tone (DMT) line coding specification to ensure interoperability with the leading Digital Subscriber Line Access Multiplexer (DSLAM) and Digital Loop Carrier (DLC) vendors. Because 3Com supports this standard, users will be able to connect easily to their residential broadband s... Less