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About product and suppliers:
        Alibaba.com offers 670 transponder key card products. About 4% of these are access control card. 

A wide variety of transponder key card options are available to you, such as free samples, paid samples. 

There are 670 transponder key card suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of transponder key card respectively. 

Transponder key card products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 7 with Other, 5 with ISO9001, and 3 with ISO14001 certification.