What Are Magnetic Card Readers And Their Uses


A magnetic card reader is a hardware device that reads the information encoded on the magnetic stripe located on the back of a plastic badge. These badges can be credit, debit or any other sort of cards.

There’s a code embedded at the back of these cards, a magnet card reader basically read these codes with the help of the magnets which are embedded in the hardware device so that the card could be accessed.

The device is designed to reduce human effort while also saving time. Thanks to these readers, the need to manually enter data is no longer needed and you can simply swipe the card into a reader to access it. It is as simple as that.

Accuracy is another feature of a www.lintechtt.com. A person can commit a mistake while entering data manually, however, these magnetic cards and readers are almost always accurate; they read and store information with credibility.

How Does it Work?

Magnetic Card Readers are often called Magnetic Stripe Readers or MSRs. They read information from a stripe that has 3 tracks on it that form a proper circuit. After the data is successfully extracted, it is then converted into binary language and sent for encryption. The information in the swiped card is then passed into the application management software for use.

Where Are Magnetic Card Readers Used?

These readers are widely used in almost every business now. They are used for money transactions; therefore, they are widely used in mini-stores, superstores, banks, offices, restaurants etc. Your best bet is to purchase a magnet reader which is efficient and can read both magnetic stripe and smart chip.


In addition to this, they are used for other purposes as well. Basically, they are used in all businesses that require financial transactions. Moreover, they are also used as passport scanners and can read magnetic stripes on a passport.

Things To Consider When Purchasing a Magnetic Reader

● Reading Reliability

A good magnetic reader is one which is accurate at reading the magnetic cards without any chance of error. If a magnetic reader fails to read a card then it might cost extra transaction for the customer, loss of time and even stress. There are many readers that sometime fail to read a card or get jammed. Therefore, choose a card which is reliable and has good readability capabilities.

● Number of Card Swipes

A card reader should be strong enough to read swipe after a swipe without any breaks. This is the era of digital transitioning, therefore, a card reader needs to be solid and should not break down, it can severely affect sales. Purchase a reader which has a longer warranty claim.


  • Read Indicators

If there are no indicators intact on the reader then it would be difficult to know if the transaction was successful or not. A good magnetic card reader should have a feedback system in both audio and video ormats to let the customer know if a transaction was carried out successfully.

Functions of Magnetic Card Reader

The basic function of a magnetic reader is to read magnetic cards that have a magnetic stripe at the back such as debit cards, credit cards etc.


  • To check the validity of the data and verify the person


  • To charge the card holder’s account


  • Magnet card readers work by reading the magnetic stripe clung to Mastercards, identifications, grants, passes, and tokens.