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About product and suppliers:
        Alibaba.com offers 1,361 sim card dongle products. About 53% of these are modems, 11% are wireless networking equipment, and 3% are network cards. 

A wide variety of sim card dongle options are available to you, such as usb, rs-232, and rj-45. You can also choose from external, internal. As well as from 2mbps, 14.4kbps, and 1024kbps. And whether sim card dongle is paid samples, or free samples. 

There are 1,364 sim card dongle suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Hong Kong, and Taiwan, which supply 98%, 1%, and 1% of sim card dongle respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 266 with Other, 106 with ISO9001, and 3 with ISO14001 certification.