Wristband shape TM1990 ibutton key for recreation activity
This type of ibutton can be made as wristband to use like ibutton function. The application of this button is the same as other types. This is only the shape different from others.
| Specification |
TM card integrated circuit chip sealed in stainless steel shell, it is waterproof, shockproof, corrosion, durable and no wiring; TM card is a passive device, relies on reading and writing equipment to read information; TM card chip cannot be copied as it is with static protection and uniqueness. |
| Technical specifications |
DALLAS encryption card |
| Average failure |
Normal use 1 / 100,000 times |
| Vendor serial number |
The world's only 64-digit number |
| System logic |
64-bit password protection |
| Storage |
8Kbits RAM |
| Card reader |
Touch type |
| Read and write times |
More than 1.5 billion times |
| Operating temperature |
-40 ºC~+85 ºC |
| Number of readings |
> 35 million times |
| Service life |
> 20 years |
TM1990A-F5 : Using su304-0.3 stainless steel package; Durable, never rust, corrosion resistance; Resistant to heat; anti-variant; strong sealing; used in security patrol, sauna bath locks, electronic door locks, access control intercom, card system, identification, banking, communications, rail transport, transportation and many other areas.
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