About product and suppliers:
            6,599 modem products are offered for sale by suppliers on Alibaba.com, of which routers accounts for 19%, modems accounts for 14%, and fiber optic equipment accounts for 11%. 

A wide variety of modem options are available to you, such as external, internal. You can also choose from rs-232, pci, and rj-45 modem, as well as from wireless, wired modem, and whether modem is 512kbps, 128kbps, or 2mbps. 

There are 6,599 suppliers who sells modem on Alibaba.com, mainly located in Asia. The top countries of suppliers are China, Hong Kong S.A.R., and Taiwan, China, from which the percentage of modem supply is 97%, 2%, and 1% respectively.