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About product and suppliers:
        Alibaba.com offers 1,554 portable wifi 3g router sim card products. About 75% of these are routers, 4% are modems, and 1% are mobile phones. 

A wide variety of portable wifi 3g router sim card options are available to you, such as voip gateway, wireless. You can also choose from paid samples, free samples. 

There are 1,477 portable wifi 3g router sim card suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Hong Kong, and Ghana, which supply 98%, 1%, and 1% of portable wifi 3g router sim card respectively. 

Portable wifi 3g router sim card products are most popular in Southeast Asia, South America, and North America. 

You can ensure product safety by selecting from certified suppliers, including 240 with Other, 85 with ISO9001, and 16 with ISO14001 certification.