Keri Systems Compatible Cards & Fobs
Keri Systems has served small-to-mid commercial access control for decades across its MicroStar, PXL, NXT, and Proximité lines. We supply unbranded, compatible-by-specification credentials for its open Wiegand and proximity formats, matched to your reader family and numbering.
Supported formats
Keri Systems formats we make compatible cards for
Pick your exact format for specifications, OEM part-number references, and a quote. Not sure which you have? Here's how to identify it.
Keri Systems MS Format (MicroStar)
Keri's original proprietary format: MicroStar credentials for MS-series readers and PXL-500 Tiger controllers — one of the most widely deployed small-commercial access platforms of its era, still running in thousands of buildings.
View compatible cardsKeri Systems NXT
Keri's modern 125 kHz platform: NXT credentials speaking Keri's own card-to-reader protocol on NXT-series readers — the successor generation to MicroStar, deployed across schools, offices, and multi-door commercial systems.
View compatible cardsKeri Systems Proximité
Keri's Pyramid-reader credential family — the PSC-1 clamshell and PSK-3 fob — orderable in standard 26-bit Wiegand or a custom layout, which made it a favorite of integrators mixing Keri readers into multi-brand systems.
View compatible cardsKeri Systems PXL-250 / Keri Classic 26-bit (K-Format)
The open-standard side of the Keri world: KC-26X-class credentials in plain 26-bit H10301 Wiegand, used on PXL-250 controllers and IntelliProx installations — and readable by any standard 26-bit system.
View compatible cardsProduct lines for Keri Systems systems: Specialty & legacy prox credentials
American Key Cards is an independent credential supplier and is not affiliated with, endorsed by, or sponsored by Keri Systems. Our products are unbranded, compatible-by-specification credentials — for brand-original product, order from Keri Systems or an authorized dealer. Brand names appear only to identify the systems discussed; all trademarks remain the property of their respective owners.
Need Keri Systems-compatible cards in volume?
Tell us your Keri Systems format and quantity — we'll quote unbranded compatible cards and fobs, encoded to your facility code, usually within one business day.
Lifetime parts & workmanship guarantee on every card