Description Durable SINTECH 125KHz RFID Thick Card offers extra robustness. Ideal for frequent use environments needing longer-lasting cards. 📡 Operating Frequency: 125KHz 📏 Size: 85 x 54 x 1.8 mm 🔍 Reading & Writing Distance: 3–10 cm 🎨 White color 🛡️ Enhanced thickness for durability