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The TDSi 2920-3004 cards are 1K Mifare credentials encoded to Sector 4 — the format required for use with TDSi access control systems. Passive technology means no battery, no degradation, and no practical limit on how many times a card can be read. The kind of reliability that matters when you're issuing credentials across a busy site.
Each card carries a unique printed serial number, which keeps your records straight and takes the guesswork out of issuance and tracking. Standard CR80 dimensions (86mm x 54mm) and a 13.56 MHz operating frequency. Supplied in packs of 100.
