Key TM2002

The electronic contact key METAKOM TM2002 is intended for use in access control systems as an alternative to Dallas DS1990A electronic keys. The key has its own original protocol, different from the Dallas iButton protocol. In the key is a special chip, which is a non-volatile memory. The key memory is stored in unique binary code information, which is written into the crystal and can’t be changed during the whole service life. Each key has an individual non-repeating code. The total number of codepages exceeds 260 million.