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About product and suppliers:
        Alibaba.com offers 290 supreme 20 modem products. About 76% of these are modems, 23% are wireless networking equipment. 

A wide variety of supreme 20 modem options are available to you, such as external, internal. You can also choose from usb, rj-45, and rs-232. As well as from 256kbps, 1024kbps, and 512kbps. 

There are 290 supreme 20 modem suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of supreme 20 modem respectively. 

Supreme 20 modem products are most popular in Southeast Asia, Mid East, and North America. 

You can ensure product safety by selecting from certified suppliers, including 172 with Other certification.