This article describes the difference between MSR HID Mode and MSR Keyboard Emulation Mode.

A Magnetic Stripe Reader (MSR) can operate in various modes to interact with a host system. The two common modes are HID (Human Interface Device) mode and Keyboard Emulation mode. Here are the key differences between the two:

HID Mode (Human Interface Device Mode)

1. Device Recognition:

   • The MSR is recognized as a generic HID device, similar to a USB mouse or joystick.

2. Data Transmission:

   • Data is sent as a block of information rather than individual keystrokes. This allows for more controlled and potentially faster data processing.

3. Driver Requirements:

   • Typically requires specialized drivers or software provided by the MSR manufacturer to interpret the data correctly.

4. Applications:

   • Often used in more sophisticated systems where custom software is in place to handle the data from the MSR. Examples include point-of-sale (POS) systems, access control systems, and other integrated applications.

5. Flexibility:

   • Provides more flexibility and features, such as the ability to handle encrypted data or different data formats.

KBE Mode (Keyboard Emulation Mode)

1. Device Recognition:

   • The MSR is recognized as a standard keyboard by the host system.

2. Data Transmission:

   • Data from the magnetic stripe is sent as if it were typed on a keyboard. Each character is transmitted as a keystroke, which can then be interpreted by any application that accepts keyboard input.

3. Driver Requirements:

   • No special drivers are required. The MSR works with any system that accepts keyboard input, making it highly compatible and easy to use.

4. Applications:

   • Commonly used in simple applications where ease of integration is crucial. Examples include basic login systems, simple POS systems, and web-based applications that use form inputs.

5. Ease of Use:

   • Easier to set up and use, especially in environments where the software cannot be easily modified to handle HID devices.

Summary

• HID Mode is suitable for applications requiring more control over data transmission and where custom software can handle the data.
• Keyboard Emulation Mode is ideal for simple, plug-and-play applications where the MSR needs to be integrated with existing software that accepts keyboard input.

Choosing between these modes depends on the specific requirements of the application and the level of control and customization needed for handling the data from the magnetic stripe reader.