"Basic Knowledge of HF Band RFID" explains the effects of antenna interference clearly in a YouTube video.
When multiple antennas are installed in close proximity and operated simultaneously, communication with RF tags may be disrupted by the magnetic fields radiated from other antennas, leading to a decrease in communication performance. This phenomenon is referred to as mutual interference of antennas. We have created a video explaining the effects of mutual interference of antennas, and we will be releasing it.
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1. What is antenna mutual interference? 00:09～ I will explain the situations in which antenna mutual interference occurs. 2. Demonstration 01:28～ Through an actual operation demonstration, we will confirm that communication performance (communication distance) changes due to antenna mutual interference. Antenna mutual interference can be addressed by increasing the spacing between antennas.
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Technical Documents "TR3 Series Introduction Guide" "Effects of Surrounding Environment" can be downloaded from the HF band product materials page. https://www.product.takaya.co.jp/rfid/download/hf/ *Membership registration and login are required for download.
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Founded in 1894 as a textile company, Takaya Textile expanded and established its electronics division in 1966, starting the assembly of transistor radios. Today, in addition to contract manufacturing services (EMS) related to electronic devices, the company actively manufactures and sells various electronics, including in-circuit testers (printed circuit board inspection devices) and RFID (a technology that enables information exchange through short-range wireless communication from tags containing IC information), as well as IT consulting and system solutions, both domestically and internationally. We continue to evolve as a corporate group that contributes to societal development, with textiles and electronics as our dual pillars.