Product Description:
Reliable 125KHz Proximity Cards for Seamless Access Control
Upgrade your security system with these high-quality, read-only proximity cards. Compatible with EM4100/TK4100 protocols, these 1.8mm thick PVC cards are perfect for keyless entry, employee attendance, gym memberships, and hotel door locks.

🔹 Why Choose These Cards?
✅ Guaranteed Compatibility – Works with most 125KHz readers (confirm your device supports non-encrypted EM4100/TK4100).
✅ Heavy-Duty Design – Waterproof, bend-resistant, and operates in extreme temps (-40°C to 85°C).
✅ Versatile Use – Ideal for:
Office & Apartment Access
Hotel Key Cards
School/Gym Membership IDs
Parking Gates & Employee Time Clocks

⚠ Note:
Not compatible with UHF, NFC (13.56MHz), or encrypted readers (e.g., HID, Honeywell). Consult your technician to verify reader compatibility before purchase.
Specifications:
Frequency: 125KHz
Material: Durable PVC
Size: 85.6 x 54 x 1.8mm
Color: White (with printed card ID)
Operating Temp: -40°C to 85°C
Read Range: Up to 5cm (depends on reader)

Package Includes:
📦 100 x Proximity Cards (125KHz, EM4100/TK4100, Read-Only)