125kHz EM4305 RFID Smart Card – Programmable PVC Contactless Card for Access Control & Identification
Also known as: EM4305 smart card, rewritable 125kHz RFID card, programmable proximity card, PVC contactless ID card.
Product Overview
The 125kHz EM4305 RFID Smart Card is a cost-effective, rewritable solution designed for
access control, employee identification, hotel room key cards, and membership management.
Featuring the EM4305 chip, it supports reading and writing, making it more flexible than traditional read-only cards like EM4100 or TK4100.
Manufactured from durable PVC, these cards offer custom printing options (logos, text, serial numbers, barcodes) and are compatible with most
LF RFID readers, making them ideal for enterprises, hotels, schools, gyms, and retail loyalty programs.
Application Scenarios
Access Control & Time Attendance
Secure entry authentication for office buildings, factories, and schools with programmable RFID badges.
Employee & Student ID Cards
Use as attendance tracking cards and secure ID for staff or students.
Hotel & Resort Room Keys
Custom printed RFID key cards for contactless guest room access.
Membership & Loyalty Programs
Ideal as customer reward cards in gyms, clubs, supermarkets, and retail stores.
Key Benefits
- EM4305 rewritable chip – supports read/write applications
- 125kHz low-frequency technology – stable and widely compatible
- Durable PVC card body – waterproof, anti-scratch, long-lasting
- Customizable design – logo printing, barcodes, serial numbers
- Multi-industry use – enterprise, education, hospitality, and retail
Specifications
| Material | PVC / PET Composite |
|---|---|
| Frequency | 125kHz (LF) |
| Chip | EM4305 (Read/Write) |
| Size | CR80 standard (85.5 × 54 × 0.76 mm) |
| Surface Finish | Glossy / Matte / Frosted |
| Printing | CMYK, UV, silkscreen, thermal retransfer |
| Applications | Access control, ID badges, hotel keys, membership cards |
FAQ
Is the EM4305 card rewritable?
Yes, unlike EM4100, EM4305 supports both read and write operations.
Can I add my company logo?
Yes, we provide full-color custom printing including logos, barcodes, and serial numbering.
What devices are these cards compatible with?
They work with most standard 125kHz RFID readers and access control systems.
What is the minimum order quantity (MOQ)?
MOQ is typically 200 pcs, with bulk discounts for larger orders.
