Batteryless telephone system is  designed and manufactured in accordance with shipboard design specifications and other standards, and conforms to requirements of shipboard communication equipment norm. It can be installed in various large-, med- and small-sized ships as internal communication equipment and emergency interconnection equipment. The batteryless telephone system product consist of two groups of gate batteryless telephone set and interphone batteryless telephone set, respectively for selective speaking of multiple users and direct speaking between two users.

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