Wiegand Technology
John R. Wiegand discovered that specially processed, ferromagnetic wire would generate a sharp uniform voltage pulse when passed through alternating magnetic fields created by small permanent magnets. This technology was adapted to access control identification cards as an alternative to magnetic stripe cards. Up to 40 short lengths of wire are arranged in two rows on an adhesive backing, which is laminated into a plastic card. The reader consists of a sealed unit containing permanent magnets and a pickup head. The wires generate pulses when the card is passed through the reader, with one row representing binary 0's, and the other representing binary 1's. The reader sends the binary data to the access control panel, where it is converted to a facility code and card ID number, which is checked against the access control database.

Wiegand technology became the card technology of choice for access control in the late 70's and early 80s. Wiegand cards do not wear out, are virtually impossible to counterfeit, can't be altered or copied, and are immune to external magnetic fields or RF interference. An embedded Wiegand code strip, containing small pieces of specially processed wire, is laminated under pressure to create a solid vinyl card. Any attempt to reach the code strip destroys the card.

As the cost of proximity cards and readers dropped, Wiegand swipe technology eventually declined in popularity. The Wiegand interface is still used for most access control panels, and their is still a huge installed base of existing cards and readers.

Secura Key Wiegand Cards (WCCI) provide a better quality, lower priced alternative to HID® Wiegand cards. They are fully compatible with HID® and Sensor Engineering Wiegand-effect swipe readers, and are available in the popular SIA 26-bit Wiegand format, as well as other Wiegand formats up to 40 bits. Options include high-coercivity magnetic stripe and custom artwork. Laser engraved card numbering is included.

Secura Key Multi-Technology Wiegand Cards (WECI) incorporate both Wiegand and Secura Key's e*Tag® Contactless Smart Card technology in a single package. This allows Wiegand card customers an upgrade path to Secura Key's 13.56 MHz Contactless Smart Card product line, which supports multiple applications and future growth. The e*Tag® chip is available with either 2k bits or 10k bits of memory, and card data is DES encrypted using 64 bit diversified keys.

Wiegand Card Data Sheet

Ordering Information:
WCCI-xxx Wiegand card encoded
WECI-xxx Wiegand card with 2k bit e*Tag® inlay
WECI-xxx-10 Wiegand card with 10k bit e*Tag® inlay

Card Artwork (S – standard glossy, C – Custom Print (specify artfile and finish), N – plain white, glossy)
Laser Numbering (M – matching, F-matching, with Facility Code, N - None 
Mag Stripe (M – Hi Co un-encoded, N – None)
Thickness (1 – 0.033”, 2 – 0.037”, 3 – 0.047”)
Finish, front/back (1 – Matte, 2 – Glossy)

Card Artwork (S-standard, C-Custom Print (specify artfile), N-plain white)

  • For Wiegand formats other than 26 bit call factory

  • For multi-technology cards, e*Tag® encoding matches Wiegand encoding 
    Most printers accept Standard (0.037”) cards – verify with printer manufacturer before ordering
    Plain white card includes art file number and slot punch targets
    Slot punching is optionally available - do not slot punch cards before dye sublimation or thermal printing.

  • Zero-gap Wiegand numbering is not available; quantity shipped as ordered.

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