13.56 MHz HF Smart Cards

maxxess efusion compatible card

125 kHz + 13.56 MHz + Wiegand/OSDP C-tier format

A compatible replacement for Maxxess Systems Maxxess (eFusion, brand-neutral integrator) — a dual-frequency 125 kHz + 13.56 MHz credential, encoded by specification to read identically on your existing readers. Order single spares or bulk quantities at a fraction of OEM list pricing.

How the compatible Maxxess (eFusion, brand-neutral integrator) works

The Maxxess (eFusion, brand-neutral integrator) is a dual-frequency credential operating on both 125 kHz LF and 13.56 MHz HF, so the compatible part must carry the correct data on whichever band your readers use. Its data structure is No proprietary credential; supports 125 kHz prox, iCLASS, MIFARE, magstripe, barcode, biometric, up to 19-digit badge number. When you present a credential, the reader decodes that exact structure and passes it to your access-control panel as a card number it recognises.

We build the compatible Maxxess (eFusion, brand-neutral integrator) by encoding the identical data structure onto a programmable Genuine NXP MIFARE Classic chip. Once written, the reader cannot tell the difference between our credential and the original — it presents the same bits, the same facility code, and the same card number. That is what "compatible by specification" means: not a generic look-alike, but a credential engineered to read exactly as the original does.

To order, tell us the part number or format printed on your existing Maxxess Systems card, and our specialists confirm the encoding before anything ships. Bulk and reorder quantities are welcome — pricing is a fraction of OEM list, and every credential is verified to read on your existing equipment.

Also known as

Maxxess · Maxxess Systems · eFusion · eAXxess

Maxxess Systems and all other brand and product names are trademarks of their respective owners. Security ID Systems is an independent manufacturer and supplier of compatible access-control credentials and is not affiliated with, authorized by, sponsored by, or endorsed by these companies. Brand and format names are used only to identify the systems our products are compatible with. MIFARE and DESFire are registered trademarks of NXP B.V.

Maxxess (eFusion, brand-neutral integrator) — common questions

Is this a genuine Maxxess Systems card or a compatible one?

It is an independently manufactured compatible credential — engineered to the same specification as the Maxxess (eFusion, brand-neutral integrator) so it reads identically on your existing readers, but it is not an Maxxess Systems-branded product. Security ID Systems is independent and not affiliated with Maxxess Systems; your access-control panel accepts the credential exactly the same way.

What chip is the compatible Maxxess (eFusion, brand-neutral integrator) encoded on?

It is encoded on a Genuine NXP MIFARE Classic programmable chip. That platform reproduces the original 125 kHz + 13.56 MHz + Wiegand/OSDP data structure precisely, so the credential presents the same information your readers already accept.

What frequency and format is the Maxxess (eFusion, brand-neutral integrator)?

It operates on 125 kHz + 13.56 MHz + Wiegand/OSDP, using no proprietary credential; supports 125 khz prox, iclass, mifare, magstripe, barcode, biometric, up to 19-digit badge number. Matching that exact frequency and data structure is what makes a compatible credential work — a card on the wrong band or bit length simply will not read.

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Order a compatible Maxxess (eFusion, brand-neutral integrator)

Send the part number or a photo of your card and reader. We verify the encoding before production and ship worldwide — including the rare formats no one else lists.