Product Details

Three Types For Option: (Same appearance, different chip)
1) With 125KHz frequency chip, work with T5557 card.
2) With 125Khz frequency chip, work with EM4305 card.
2) With 13.6MHz frequency chip, work with Mifare 1K card.

If the key card is used only for opening door, T5577 or EM-4305 card system will be enough.
If the key card is for multifunctional purpose instead of just opening a door, such as for consumption system,
parking system, access control system and so on, you need to choose Mifare 1K card system.

V9 hotel lock encoder has three different types.
V9-T57
V9-EM4305
V9-Mifar