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The "Directional Ultrasonic Beacon" achieves high precision within an error margin of 1 meter (measured internally) by using directional ultrasonic waves, compared to conventional beacons that use Wi-Fi or Bluetooth(R). It outputs high-frequency ultrasonic waves that cannot be captured by regular microphones, but by modulating the signal, it can be detected by the microphones of standard smartphones (with some exceptions). [Usage Examples] - Navigation in transportation systems such as subways and airports - Navigation in shopping centers and underground malls - Recording and guiding parking positions in large underground parking lots - Assisting in product picking within warehouses - Supporting security, patrol, and inspection tasks in indoor facilities *For more details, please contact us.

• Headquarters/Store System
• IoT

The "Directional Ultrasonic Speaker" is a device that uses ultrasonic waves to output sound, allowing the audio to be heard only within a limited range. It is possible to hear the sound at almost the same volume even from a distance of over 15 meters (measured in-house). We also offer sales without a casing and customization of the casing according to customer requests. Please feel free to contact us first. 【Features】 ■ Structure and Frequency Characteristics: Ultrasonic Speaker (Array) ■ Directionality: Narrow ■ Drive Circuit: Dedicated Amplifier (Modulation Circuit) *For more details, please download the PDF or feel free to contact us.

• Audio equipment
• Audio and video equipment