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About product and suppliers:
        Alibaba.com offers 1,456 sim card dongle products. About 52% of these are modems, 17% are routers, and 12% are wireless networking equipment. 

A wide variety of sim card dongle options are available to you, such as usb, rs-232. You can also choose from external, internal. As well as from 2mbps, 1024kbps, and 512kbps. And whether sim card dongle is firewall, or qos. 

There are 1,456 sim card dongle suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 99%, 1%, and 1% of sim card dongle respectively. 

Sim card dongle products are most popular in Southeast Asia, North America, and South America. 

You can ensure product safety by selecting from certified suppliers, including 266 with Other, 126 with ISO9001, and 47 with ISO14001 certification.