What frequency should I choose: 125 kHz, 13.56 MHz, or UHF?
125 kHz (LF proximity) is the industry standard for legacy systems and lowest cost, but offers no encryption. 13.56 MHz (HF smart card) adds encryption, multi-function support, and better security; supported by most modern card readers. UHF is rare in commercial access control but useful for long-range parking/gate applications. Verify your installed readers before ordering; mixing frequencies requires dual-technology readers.
Can I order credentials before my access control system is fully installed?
No. Wait until your control system, readers, and door hardware are tested and operational. Then order credentials so they can be programmed and encoded to match your installed infrastructure. Ordering too early risks obsolete stock or incompatibility, wasting budget and delaying go-live.
How long do access cards last, and when should I plan for replacement?
Typical plastic proximity cards last 3–5 years with normal wear. Outdoor, high-humidity, or high-traffic facilities (parking, warehouses) may see 2-year degradation. Plan for 10–15% annual attrition due to loss, damage, or employee turnover. Mobile credentials eliminate physical wear but require smartphone adoption and backend infrastructure; budget reader upgrades and provisioning software.
What's the difference between encoding and personalization?
Encoding writes access permissions and cardholder data (ID number, access level) to the card's chip or magnetic stripe. Personalization adds photo, name, barcode, or other visual identifiers via printing. Both services are often bundled by vendors; onsite encoding requires specialized equipment; photo printing typically requires outsourcing or an in-house color badge printer.
Can I revoke a credential instantly if an employee leaves?
Yes, if your access hub or controller is networked to a backend database (on-premises or cloud). You delete the employee's record, and all doors deny access in real time—no physical card collection needed. Legacy standalone door controllers with no network cannot revoke instantly; plan for offline-mode fallback and manual card inventory.
Should I use mobile credentials, physical cards, or both?
Mobile credentials are ideal for employees with smartphones and strong WiFi/cellular at entry points; they prevent loss, enable instant revocation, and integrate with identity platforms. Physical cards remain necessary for visitors, contractors, and users without smartphones. A hybrid strategy (90% mobile, 10% backup smart cards) balances security, cost, and usability. Ensure your readers and access control system support both technologies.
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