IC Card (13.56MHz)

UID Duplication Card

13.56MHz

Repeatedly Rewritable

Cannot bypass firewalls; a classic duplication/magic card that supports repeated erasing and writing.

CUID Duplication Card

13.56MHz

Repeatedly Rewritable

Bypasses 90% of firewalls; recommended for elevator cards or scenarios where UID card duplication succeeds but swiping fails.

FUID Duplication Card

13.56MHz

Write-Once Only

Bypasses 95% of firewalls; suitable for cases where CUID card duplication succeeds but swiping fails. Locked after one-time writing; no repeated erasing/writing support.

UFUID Duplication Card

13.56MHz

Write-Once (After Locking)

Bypasses 95% of firewalls; same function as FUID cards but supports manual locking. Acts as a UID card (supports repeated rewriting) before locking; becomes non-rewritable once locked (can be regarded as a premium UID card).

IC Authorization Card

13.56MHz

Non-Rewritable

Bypasses 98% of firewalls; a standard card with a locked factory-set card number block (block 0) that cannot be duplicated. Only usable via authorization; commonly known as a "property management card."

ID Card (125KHz)

5200/5577 Duplication Card

125KHz

Rewritable

Cannot bypass firewalls; a rewritable and duplicable ID card.

8211/8268 Duplication Card

125KHz

Rewritable

A 95% firewall-bypassing version of ID duplication cards; used when 5577 or 5200 card duplication succeeds but swiping fails.

ID Authorization Card

125KHz

Non-Rewritable

Bypasses 95% of firewalls; comes with a factory-fixed and locked ID card number. Cannot be duplicated; only usable via authorization; commonly known as an "ID authorization card."