iButton Keys

  • iButton Keyfobs with DS1990A-F5 – Black

    iButton Keyfobs with DS1990A-F5 – Black

    Unique, factory-lasered and tested 64-bit Digital identification by momentary contact. Chip-based data carrier compactly stores information. Data can be accessed while affixed to an object. Economically communicates to bus master with a ...

  • DS1990A-F5 iButton with Unique 64-bit Serial ID Number

    DS1990A-F5 iButton with Unique 64-bit Serial ID Number

    The DS1990A serial number iButton® is a rugged data carrier that serves as an electronic registration number for automatic identification. Data is transferred serially through the 1-Wire® protocol, which requires only a single data lead and a groun...

  • iButton Fobs with DS1990A-F5 – Red

    iButton Fobs with DS1990A-F5 – Red

    The iButton serial number (DS1990A) is a rugged data carrier that serves as an electronic registration number for automatic identification. Data is transferred serially through the 1-Wire protocol, which requires only a single data lead and a groun...

  • Dallas Key Fobs DS1990A-F5 – Blue

    Dallas Key Fobs DS1990A-F5 – Blue

    The iButton serial number (DS1990A) is a rugged data carrier that serves as an electronic registration number for automatic identification. Data is transferred serially through the 1-Wire? protocol, which requires only a single data lead and a grou...

  • i Button Key Fob with DS1990A-F5 – Purple

    i Button Key Fob with DS1990A-F5 – Purple

    Key Features Unique, factory-lasered and tested 64-bit Digital identification by momentary contact. Standard 16 mm diameter and 1-Wire protocol ensure compatibility with INFORMATION BUTTON family. Button shape is self-aligning with cups...

  • Maxim iButton Fobs DS1990A-F5 – Green

    Maxim iButton Fobs DS1990A-F5 – Green

    The iButton serial number (DS1990A) is a rugged data carrier that serves as an electronic registration number for automatic identification. Data is transferred serially through the 1-Wire protocol, which requires only a single data lead and a groun...

  • iButton Key Fob | DS1990A-F5 with Plastic Holder

    iButton Key Fob | DS1990A-F5 with Plastic Holder

    The iButton serial number (DS1990A) is a rugged data carrier that serves as an electronic registration number for automatic identification. Data is transferred serially through the 1-Wire? protocol, which requires only a single data lead and a grou...

  • TM1990A-F5 iButtons – w/o 64-bit Serial ID On MicroCan

    TM1990A-F5 iButtons – w/o 64-bit Serial ID On MicroCan

    The TM1990A-F5 electronic iButton key with unique 64-bit code is a full quality analog of Dallas/Maxim DS1990A-F5 iButtons. Designed for access control systems each key has a unique family code that is recorded while the key is being produced and t...

  • 1-Wire iButton with TMC Logo On MicroCan

    1-Wire iButton with TMC Logo On MicroCan

    The TM1990A-F5 electronic iButton key with unique 64-bit code is a full quality analog of Dallas/Maxim DS1990A-F5 iButtons. Designed for access control systems each key has a unique family code that is recorded while the key is being produced and t...

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