Sygonix SY-6879934 RFID Transponder Keyfob Set, 10 Pieces, 125 kHz, EM4100, Blue

This Sygonix transponder set stands out by offering ten identical RFID keyfobs in one pack, making it a practical choice for multi-user access systems or as spare credentials. Each keyfob is a passive 125 kHz tag with a unique EM4100-compatible ID, ready to be enrolled in standard RFID readers without any configuration.

Highlights

• Set of 10 blue keyfob transponders with integrated key ring hole
• Passive RFID technology – no battery required
• Unique serial number on each tag for reliable identification
• Robust ABS plastic housing, dustproof and waterproof (IP67)
• Wide operating temperature range from -20 °C to +50 °C

In daily use

The teardrop-shaped keyfobs are easy to attach to a key ring or lanyard, so they stay with the user at all times. They work with common 125 kHz RFID readers for access control, time recording, or identification. With a read range of up to 10 cm, they can be read quickly and without contact. The IP67-rated housing protects the electronics from dust and temporary immersion, making the tags suitable for both indoor and outdoor use.

Full specifications

• Technology: RFID (Radio-Frequency Identification)
• Operating frequency: 125 kHz
• Chip type: EM4100 / EM4102 compatible
• Data protocol: Read-only
• Transponder type: Passive (no battery required)
• Design form factor: Keyfob / Teardrop
• Material: ABS plastic
• Colour: Blue
• Read range: Up to 10 cm (reader dependent)
• Unique ID: Yes, each transponder has a unique serial number
• Protection class: IP67 (dustproof and waterproof)
• Operating temperature: -20 °C to +50 °C
• Storage temperature: -25 °C to +60 °C
• Application area: Access control, time recording, identification, security systems
• Compatibility: Compatible with standard 125 kHz RFID readers
• Mounting: Integrated key ring hole

Final note

With ten identical tags in one set, the Sygonix SY-6879934 is a cost-effective way to equip a small team or keep spares on hand for your RFID system.