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        Alibaba.com offers 30,355 rs485 reader products. About 70% of these are access control card reader, 3% are fingerprint access control, and 1% are access control card. A wide variety of rs485 reader options are available to you, such as paid samples, free samples. There are 30,341 rs485 reader suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Hong Kong, and Taiwan, which supply 99%, 1%, and 1% of rs485 reader respectively. Rs485 reader products are most popular in Mid East, Domestic Market, and North America. You can ensure product safety by selecting from certified suppliers, including 3,712 with ISO9001, 1,411 with ISO14001, and 1,407 with Other certification.
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