Housing Material: Industrial ABS, PC, Epoxy, or Leather

Construction: Ultrasonic welding (seamless & robust)

Dimensions: Varies by model (e.g., 40.5 x 32 x 4.2mm)

Accessories: Heavy-duty metal keyring

Frequency: LF (125kHz), HF (13.56MHz), or Dual-Frequency

Read Range: 2cm - 10cm (depends on reader and environment)

Operating Temp: -25°C to 65°C

Logo Printing: Silkscreen or Pad printing

Numbering: Laser engraving (permanent/tamper-proof) or Inkjet

Data Services: Pre-encoding of Wiegand formats, URLs, or custom cryptographic keys