Bridges, Tunnels

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Building or maintaining a bridge, tunnel or large structures. In the mountains this is often dangerous work, and often radio communication is impractical with both occupied hands : APPI-Com and even allows take incoming calls if connected to my cellphone
APPI-Com, being compact, light, and watertight (IP67) can be used without restriction and adapts well to all the protection equipment such as construction hard hats or protection masks. The proprietary full-duplex technology offers a long radio range (up to 2000m) to permit natural conversations between workmen, even whilst suspended from a rope and clinging to a cliff!

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