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Read and Write RW1990 TM iButton Key for patrol/sauna/door lock
RW1990 is a rewritable iButton intended for copying the keys of the Dallas DS1990A-F5 family (TM1990A-F5). The most common blank for copying electronic keys (tablets) from door phones. It is an electronic rewritable medium of 64-bit identification code. After copying is a complete copy of the original Dallas key with the filter protection installed. Solves the problem of incomplete compatibility of the key RW2004 (TM2004). Data exchange is done via the 1-Wire Protocol. The information is transmitted over a single conductor (data bus – single-wire). The data transfer rate is sufficient to ensure data transfer at the time of contact with the contact device.
All blanks are made to strict standards. Each RW1990 consists of an electronic chip enclosed in a steel sealed cylindrical body. The body of the RW1990 key is made of polished stainless steel. Operating temperature range from -40 ° C to + 85 ° C, the key is not affected by magnetic and static fields, industrial atmosphere; Guaranteed to maintain the strength of the case for 10 years with 1 million contacts with the reader. Its compact form in the form of a coin provides self-alignment in the connector, which ensures ease of use.
Rewriting an enormous number of times;
Replace traditional keys (with the factory code);
Replace disposable workpiece;
Manufactured on the basis of high-quality and durable magnetic media;
The devices are compact and light in weight;
Can be used in any working position;
Average service life 10 years;
The eyelet holder is made of plastic;
Work at any temperature;
Instant reading: Transmit the code instantly to the reader;
Overwriting: support code change;
Working with door phones: Any system that support 1-Wire Protocol;
Instant reading: Transmit the code instantly to the reader.
TM(Touch Memory) iButton
More than 10 years
Dimensions(L / W)
Weight of the key (± 3%)
4 grams(with plastic fob)
Average number of readings
any with the DALLAS format
Colors of the holder
Main black, any color on request
Material of Cover and Holder
Cover- Stainless steel; Holder – ABS/POM
-40℃ to +85℃
Driver Identification for GPS tracking devices
Door intercommunication systems
Access control systems
Automated engineering systems (control)
Working time recording systems