RW1990 TM Ibutton/Information Button of Bare Version

• Customization: Available
• Keyword: RW1990 TM Ibutton
• System Logic: 64-Bit Password Protection
• Model NO.: RW1990 TM ibutton
• Storage: 8kbits RAM
• Card Reader: Touch Type
• Weight: 2.5g
• Transport Package: Paper Carton
• Specification: 16.25mm
• Trademark: ANG Tech
• Origin: China
• HS Code: 8523521000
• Production Capacity: 1000000

Product Description

RW1990 TM ibutton/Information button of Bare version

TM card is using one-wire protocol communication, to complete the data read and write through the instant touch. It is not only the ease of handling of the non-contact IC card but also the inexpensive contact IC card. TM card is currently one of the best cost-effective IC card.
 

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

RW1990: storage capacity 64-bit serial number, according to user needs to repeatedly erase copy data.