10pcs/lot rewritable RFID Touch Memory key, RW1990 iButton,copy card, Sauna key

10pcs/lot rewritable RFID Touch Memory key, RW1990 iButton,copy card, Sauna key

96% of buyers enjoyed this product! 4 orders
List price:
£ 4.18
Price:
£ 4.18

Product Description

USD 45.00/lotUSD 13.00/lotUSD 45.00/lotUSD 4.50/lotUSD 14.50/lotUSD 7.00/lotUSD 15.00/lotUSD 13.25/lot

10pcs/lot rewritable RFID Touch Memory key, RW1990 iButton,copy card, Sauna key

100% Tested Before shipping

Dimension: φ16.25*5.89mm

Chip type: RW1990

RW1990 feature:

1.RW1990 ibutton
2.Low-cost
3.water proof
4.Rewritable ,DS1990A and TM1990A iButton ,
5.can be copy,RW1990

Technique Parameters:

.America DALLAS encryption

.Breakdown Rate:1/100,000

.Serial Number:Only global 64 bit numbers

.System Logic:64bits pin protection

.Memory:8kb RAM

.Inductive Type: touch

.R/W and encrypt

.R/W times:1,500,000,000

.Working Temperature:-40~85

.Lifetime:>20years

.TM Dimension:φ16.25*5.89mm

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

This RW1990 chips we use imported one, which approved to be reliable performance than others, CMOS microcircuit is essentially an electronic carrier of the unique 64-bit digital code. The code is stored in the internal nonvolatile memory. The data exchange is performed by the protocol 1-Wire, which requires one sole data pin and the common pin. The microcircuit supports the function of the protocol 1-Wire of ROM search, which makes it possible for several devices to operate on one bus. This protocol determines the alteration conditions of the bus status and the time intervals during synchronization by the synchropulses cuts of the control device. Data readout and writing are performed by the junior significant bit forward.

TM card, also known as touch memory, electronic key
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.

Packaging Details

Unit Type: 
 lot
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