Bahan: Stainless Steel atau Lembut Silicone (catenary tangan) keping: enkripsi Amerika DALLAS, termasuk DS1990A-F5, sepenuhnya kompatibel dengan TM1990A-F5, i1990A. rata-rata kegagalan: penggunaan normal 1/100,000 times Manufacturer’s serial number: only global 64bit number System logic: 64bit password protection Storage: 8k bits RAM Card read: touch type Read and write features: can read write and encrypted R/W times: > 1.5 miliar kali …
Model Chip: Spesifikasi TM DS1990A-F5: 16.25Berat × 17,35mm: 2.2g Bahan: Suhu pengoperasian baja tahan karat: -40℃ ~ + 85 ℃
Model Chip: Bahan Shell TM DS1990A-F5: Ukuran ABS Shell: 49× Berat 30mm: 11.2 gram Indikator lingkungan: -30℃ ~ + 80 ℃
Model Chip: Spesifikasi TM DS1990A-F5: 35× 35mm, customizable Material: kulit + stainless steel Weight: 12g Operating temperature: -40℃ ~ + 85 ℃