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Continental Access (NAPCO Security) 125 kHz Rare format · few competitors Compatible card available

Continental Access / CardAccess (NAPCO) Compatible Cards & Fobs

Continental Access CardAccess systems use standard 26-bit Wiegand proximity — AKC supplies drop-in compatible cards and fobs without OEM pricing.

Continental Access, a NAPCO Security Group brand, deploys CardAccess 3000 and CA4K access control platforms that use industry-standard 125 kHz Wiegand proximity credentials, supporting 26-bit through 256-bit formats. American Key Cards supplies programmed-to-order 26-bit clamshell cards and key fobs fully compatible with Continental Access and CA4K reader infrastructure, at significant savings over OEM distributor pricing.

Continental Access / CardAccess (NAPCO) specifications

Brand / OEM
Continental Access, a NAPCO Security Group Company
Technology
Passive RFID proximity
Frequency
125 kHz
Chip
Standard 125 kHz prox IC (EM4100/Wiegand-compatible; cloneable to T5577)
Bit formats
26-bit Wiegand H10301 (most common), 36-bit (extended format, CA4K capable), 37-bit H10302, Custom Wiegand formats (CA4K reads 26–256 bit structures)
OEM part numbers
CA3K-C, CA3K-K, CA4K-C, CA4K-K, CICP2100

Our compatible Continental Access / CardAccess (NAPCO) credentials

American Key Cards manufactures non-OEM credentials engineered to work with your existing Continental Access (NAPCO Security) readers — no hardware changes, encoded to your facility code and card-number range.

AKC Continental Access-Compatible Proximity CardProximity / ISO card
AKC Continental Access-Compatible Proximity Key FobKey fob / tag

Can Continental Access / CardAccess (NAPCO) cards be copied?

Continental Access / CardAccess (NAPCO) is an open format, so a compatible card can be produced from your facility code and card number. We don't copy individual cards on request — we manufacture new, correctly-encoded credentials for systems you own or manage.

Continental Access CardAccess systems use standard 125 kHz Wiegand proximity — no proprietary encryption. Cards are cloneable and fully replaceable with compatible aftermarket credentials. Systems also support smart card and biometric upgrades for higher-security requirements.

Where Continental Access / CardAccess (NAPCO) is used

  • Mid-market commercial office buildings on CardAccess 3000 or CA4K platforms
  • Healthcare, education, and government facilities using Continental Access panels
  • Multi-tenant buildings replacing lost or damaged 26-bit prox cards
  • NAPCO-integrated alarm and access hybrid installations

Compatible readers

Continental Access / NAPCO CA3K-series proximity readersContinental Access CA4K proximity readersCICP2100 / CICP2100S PoE controller with HID-compatible readersAny HID-compatible Wiegand 26-bit or 37-bit reader

Continental Access / CardAccess (NAPCO) — FAQ

What proximity card format does Continental Access CardAccess 3000 use?

CardAccess 3000 and CA4K systems support standard Wiegand formats from 26-bit to 256-bit. The vast majority of installations use standard 26-bit H10301 proximity cards, which are what AKC supplies as compatible replacements.

Are Continental Access proximity cards proprietary, or will standard 26-bit cards work?

Continental Access readers accept industry-standard Wiegand 26-bit proximity cards — they are not locked to OEM-only credentials. Our compatible 26-bit clamshell cards and key fobs work directly with CardAccess 3000 and CA4K readers without any reconfiguration.

Can I order Continental Access compatible cards by facility code from American Key Cards?

Yes. Provide your facility code and card number range and we will program a batch of compatible 125 kHz clamshell cards or key fobs in standard 26-bit Wiegand format, ready to enroll in your CardAccess or CA4K software.