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About product and suppliers:
        Alibaba.com offers 972 3g sim card dongle products. About 50% of these are modems, 9% 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 2.4g/5ghz, 802.11n 2.4ghz, and 802.11ac. And whether 3g sim card dongle is 1920 x 1080, or 4k. 

There are 894 3g sim card dongle suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Hong Kong, and India, which supply 98%, 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 97 with Other, 75 with ISO9001, and 1 with ISO14001 certification.