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Magnetic Stripes

magnetic stripe cards

Understanding magnetic stripe cards

Order magnetic stripe cards. Magnetic stripes or mag stripes, are the dark strip of magnetic material often seen on the back of gift cardsloyalty cards and membership cards, which are used in conjunction with a POS system. Mag stripe cards are also used in access control as key cards, as well as on ID cards.  They come in two main varieties: high-coercivity (HiCo) and low-coercivity (LoCo).

High-coercivity magstrips are harder to erase, and are more appropriate for cards that are frequently used or require extended life. Low-coercivity magstrips require a lower amount of magnetic energy to record, reducing their cost. Gift cards, loyalty cards, fundraising cards and membership cards typically utilize a LoCo magstrip. A magnetic stripe card reader can read either type of magnetic stripe.

What is magnetic stripe encoding?

When magnetic stripes are encoded, a unique serial number is stored on the strip. This serial number is recognized by the POS system or access control lock device, providing access to funds stored on the POS system or opening a locked door.

How does it all work?

Using a gift card as an example, a customer purchases a gift card, which is swiped by the cashier to obtain the serial number stored on its magnetic stripe. The cashier then asks the customer how much money they would like to be “placed” on the gift card. That amount is entered into the POS system by the cashier.

The next time the gift card is swiped, the POS system uses the serial number stored on the magnetic stripe to look up the customer’s card balance, which is stored on the POS system using the same serial number. Sometimes, a POS system may fail to read a magnetic stripe. That’s why we also recommend printing the same serial number directly onto the card’s surface. This is called a human-readable number.

What if I already have cards, but need the magnetic stripes encoded?

No problem. We can encode the magnetic stripe to your specifications. We can also manufacture and warehouse your PVC cards for delivery as needed. This is called fulfillment.

What do I need to know if I want magnetic stripes on my cards?

To ensure your custom magnetic stripe cards will function properly, there are a few things you will need to know. Your POS or lock system provider will be able to assist you in obtaining this information.

  1. Does your POS or lock system require magnetic stripes to be HiCo or LoCo? Or, is either option okay?
  2. There are three available “tracks” or areas on your magnetic stripe. Which track or tracks should be used to encode your serial numbers onto your cards?
  3. There are two types of serial number formats: random and sequential. Which format is required by your POS or lock system? If random, are specific characters or a specific number of characters required? If possible, it’s best to obtain a random number file from your POS or lock system provider. If your serial numbers are sequential, what number should we start with?

Note: Some print options or print option combinations are not possible due to card thickness and other factors. Please contact us to verify which print options will work for you. Check with your POS system provider to answer any option questions you might have. This is important to ensure that your card’s barcode or magnetic stripe will be compatible with your POS system.
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