125 kHz proximity 125 kHz

Microchip Technology (Atmel T5577) Compatible Cards & Fobs

Microchip's ATA5577 (T5577) is the universal programmable 125 kHz transponder — a rewritable blank an integrator configures to an installation's own open format. We supply unbranded T5577 cards and fobs, blank or pre-programmed to your open-format specification.

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Supported formats

Microchip Technology (Atmel T5577) 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.

Microchip (Atmel)

T5577 Programmable Transponder

The universal 125 kHz blank: a rewritable transponder an integrator or facility programs once to its own open-format system — ideal spare stock for legacy formats OEMs no longer manufacture.

125 kHz We make it

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Product lines for Microchip Technology (Atmel T5577) systems: T5577 programmable cards & fobs

American Key Cards is an independent credential supplier and is not affiliated with, endorsed by, or sponsored by Microchip Technology (Atmel T5577). Our products are unbranded, compatible-by-specification credentials — for brand-original product, order from Microchip Technology (Atmel T5577) or an authorized dealer. Brand names appear only to identify the systems discussed; all trademarks remain the property of their respective owners.

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Tell us your Microchip Technology (Atmel T5577) format and quantity — we'll quote unbranded compatible cards and fobs, encoded to your facility code, usually within one business day.

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