DS1990A iButton with Handle (1-Wire 64-Bit Electronic ID Key for Access Control)

The DS1990A iButton with Handle is a durable electronic identification key designed for secure access control, authentication, and identification systems. It features a factory-programmed, globally unique 64-bit ROM ID that cannot be modified, ensuring reliable identification for every device. The stainless steel iButton communicates using the 1-Wire protocol and is powered parasitically through the data line, eliminating the need for an internal battery. Housed in a convenient plastic handle, it is ideal for access control systems, attendance machines, security devices, time recording systems, and industrial identification applications.

Key Features -

• Factory-programmed unique 64-bit serial number

• 1-Wire communication protocol

• No internal battery required

• Stainless steel iButton contact

• Durable plastic handle

• Fast identification and authentication

• Long service life

• Compact and rugged construction

• Easy integration with 1-Wire readers

• Ideal for access control applications

Specifications -

• Product type - Electronic Identification Key

• Model - DS1990A Compatible

• Communication protocol - 1-Wire

• Unique identification - 64-Bit Factory Programmed ROM ID

• Power supply - Parasitic Power from Data Line

• Contact material - Stainless Steel

• Handle material - Plastic

• Operating temperature - -40C to +85C

• Mounting type - Handheld iButton Key

• Data retention - Factory Programmed Permanent ID

Applications -

• Access control systems

• Attendance systems

• Security systems

• Door lock authentication

• Time recording systems

• Equipment identification

• Industrial automation

• Asset management