Access Control Systems | Door Entry Systems | Network Access Control, Computer, Office & Security, Security & Protection
5YOA 10pcs/lot Rewritable RFID RW1990 iButton TM Touch Memory Clone Duplicate Key Copy Card Sauna Key
- 1.RW1990 ibutton
- 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
- 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.
- We accept Credit Card, Western Union, TT. , etc. You can choose a method which is best convenient for you.
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- Normally, we will ship out the order within 1-2 business days after the payment cleared.
- Please make sure that your address is correct before payment.
- Please don't give us 1-3 low score on shipping, as we shipped the item quickly but the overseas shipping depend on many factors, such as logistic, weather, country policies, any problems, please contact us first.
- In order to ensure that you will receive your order without or less tax, we will declare it as “GIFT” with a lower value, The value doesn't reflect the total price you paid or the market value and may not apply to countries with different tariff rules.
- If you won't like to lower value declaration, please contact us or leaving messages in the order.
- Any import charges or fees are the buyer's responsibility.
- If you want to purchase more, please contact us.
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