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About product and suppliers:
        Alibaba.com offers 916 3g sim card dongle products. About 54% of these are modems, 10% are wireless networking equipment, and 2% are network cards. 

A wide variety of 3g sim card dongle options are available to you, such as wireless, wired. You can also choose from usb, rs-232. As well as from 802.11n 2.4ghz, 802.11n 2.4g/5ghz, and 802.11ac. And whether 3g sim card dongle is 4k, or 1920 x 1080. 

There are 917 3g sim card dongle suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Germany, and India, which supply 99%, 1%, and 1% of 3g sim card dongle respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 98 with Other, 85 with ISO9001 certification.