Factors to consider when buying a magnetic reader For you to buy the right unit you need to consider a number of factors that include: Readability: The units are designed for high or standard volume use. The high volume readers come equipped with components that allow them to live for a long time.

They are known for their longer reading channel which ensures that they are able to scan the details in a card on the first pass. In most cases, they are made from metal. Due to these features, they are usually expensive to purchase.



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