This item has been shown 170 times.
Chip type: RW1990
3.Rewritable ,DS1990A and TM1990A iButton ,
4.can be copy,RW1990
.Serial Number:Only global 64 bit numbers
.System Logic:64bits pin protection
.Inductive Type: touch
.R/W and encrypt
Rewritable ibutton RW1990A-F5 read-write type of card, compatible ds1990a.
Rewritable,DS1990A and TM1990A iButton ,RW1990
Unique 64-bit registration Number;
Built-In Multidrop Controller for 1-Wire Net;
Digital identification by momentary Contact
TM card, also known as touch memory, electronic ke3.5y
Stainless steel package with su304#,
Rugged, never rust, corrosion; resistant to heat;
Anti-variant; sealing strong;
For security patrol, sauna door locks,electronic door locks,
Door intercom, card systems, identification, banking,
Communications, rail transportation, transportation, and so many fields
Information ibutton RW1990 memory 64, can be repeated rubbing, write the diy code.
10pcs/Lot Rewritable RFID Touch Memory Key
Terms of Sale
On May-12-21 at 03:52:23 PDT, seller added the following information: