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Mitsubishi Electric reports indoor test of tap-water antenna

The Japanese company says its Liqutenna prototype connected to a mobile device at a KDDI test facility.

bnext.asia11 Nov 2026News brief閱讀繁體中文版 ↗

From an indoor connection to a planned field trial

Mitsubishi Electric said on November 10 that it had tested an 800 MHz prototype at KDDI’s indoor facility for evaluating wireless equipment. The antenna uses tap water in an acrylic tube to transmit and receive signals. [1]

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The company plans to test the prototype in areas with weak reception. The reported result covers the indoor connection, and performance in the field remains unverified.

Sources & context

  1. 通信業界初、水道水を用いたアンテナ「Liqutenna」がモバイル端末との接続に成功 ↗

    Mitsubishi Electric · 10 Nov 2026

  2. 業界初「水道水を使うアンテナ」モバイル端末との接続に成功　三菱電機 ↗

    ITmedia NEWS · 11 Nov 2026

These are the records used for this story. Official and corporate sources describe their issuers’ positions; unverified performance claims are not treated as established results.

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