Q5 cards or 5555 cards are LF-band contactless RFID cards operating at 125 kHz. The data transmission mode is read/write.
They have a 33-byte memory and UID (unique identifier). In particular, the memory can be programmed to be read-only. The mode of operation is by password or direct access.
Applications of the Q5 or 5555 cards include access control and identification at hotels, campsites and hospitality facilities, companies, schools and universities, as well as attendance control at companies.
Q5 or 5555 cards are available in three types of material (PVC, PETG and wood), measuring 86 mm x 54 mm x 0.86 mm (PVC and PETG) and 86 mm x 54 mm x 1.3 mm (wood).