125 kHz RFID access chip (EM-Marine), with key ring, grey.

Description

125 kHz RFID access chip (EM-Marine).

125 kHz RFID chips are contactless radio-frequency identification access chips commonly used in security systems, such as door access control, transportation systems, libraries, or workplace attendance tracking.

Product Description:

Frequency:
125 kHz (LF – Low Frequency)

Chip:
China-manufactured clonable chip:

• TK5200 – reprogrammable clone chip (TK4100 compatible).

Numbering:
engraved, sequential numbering.

Material:
PVC plastic

Color:
Grey

Tööraadius:
Up to 10 cm (depending on the reader)

Features and advantages:

• Passive chip – does not require an internal power source (no battery).

• Clonable (with T5577) – can be programmed in different formats.

• Read by chip ID – uses UID (Unique ID) only for identification.

• Durable and water-resistant – suitable for everyday use.

• Universal compatibility – works with many 125 kHz readers.

• Low-cost and widely used in mass production.

Typical applications:

• Door access control systems.

• Time and attendance systems.

• Apartment building intercom systems.

• Parking systems.

• Animal and asset identification.

Notes:

• TK4100 and EM4100 are read-only – the UID is programmed at the factory and cannot be changed.

• T5577 allows the card to be reprogrammed multiple times, making it useful for cloning and system testing.

• These chips are not compatible with 13.56 MHz (NFC) systems!