Sygonix SY-6879928 RFID Transponder Card Set (10 Pack, 125 kHz, EM4100, White, PVC, Read-Only)

For access control installations, time attendance terminals, or identification systems, this set of ten Sygonix transponder cards provides a reliable credential solution. Each card operates at 125 kHz and uses an EM4100-compatible chip, delivering a unique read-only ID that is recognised by standard RFID readers.

Key specifications

• Frequency: 125 kHz
• Chip type: EM4100 / EM4102 compatible
• Read/write: Read-only
• Material: PVC
• Colour: White
• Dimensions: 85.6 x 54 x 0.8 mm (ISO/IEC 7810 ID-1 / CR80)
• Operating temperature: -20 to +50 °C
• Storage temperature: -20 to +60 °C
• Quantity per pack: 10 cards
• Surface: Printable

Why choose it

The cards are made of durable PVC and feature a printable surface, allowing customisation with logos, names, or ID numbers. Their standard CR80 size fits most badge holders and printers, and the read-only format ensures a fixed, tamper-resistant identifier for each card.

Ideal use cases

• Employee access badges for office buildings
• Student or member ID cards for schools and gyms
• Time and attendance tracking in factories or warehouses
• Visitor management systems

Good to know

The cards are compatible with 125 kHz RFID readers and can be used immediately after programming the reader with the card's UID. No batteries are required; they are passive devices powered by the reader's field.