Wristband Shape TM1990 Ibutton Key for Recreation Activity

• Customization: Available
• Key Word: TM 1990 Ibutton
• Operating Temperature: -40 Degree to 85 Degree
• Model NO.: TM1990
• Vendor Serial Number: The World′s Only 64-Digit Number
• System Logic: 64-Bit Password Protection
• Storage: 8kbits RAM
• Transport Package: Paper Carton
• Specification: 64mm diameter
• Trademark: ANG Tech
• Origin: China
• HS Code: 8523521000
• Production Capacity: 1000000

Product Description

 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.