What are External Modems?
External modems are communication devices that computers utilize to connect to public networks like the Internet. A modem that sits inside the computer is called an internal modem, while modems that sit exterior, are external modems. The type of modem you require depends on the type of Internet access service you desire. There are two general categories: Basic dial-up service, and high-speed broadband service. Basic Dial-Up (Internal and External Modems) Traditionally, internal modems have been dial-up modems that connect to Internet service providers (ISPs) using an analog signal over a telephone line. Since telephones also use analog signals, phones and modems cannot share lines simultaneously. Dial-up is the slowest, but also the least expensive way to connect to the Internet. External modems can also be dial-up modems, and if so, will be rated at a transfer rate of 56 kbps (kilobytes per second), like their internal twins. External modems are handy when there are no available inter
