SOUND POWERED TELEPHONE, DIRECT WALL-MOUNTING TYPE

SOUND POWERED TELEPHONE, DIRECT WALL-MOUNTING TYPE

IMPA Code: 370172

These telephones do not require a source of electric power for calling and communication. Acoustic energy received by a transmitter is converted to electric energy, transmitted to a receiver and then reconverted to acoustic energy. A call is originated by operation of a magneto generator. Available in 2 communication systems : direct telephones (Flg.5) and selective telephone systems with a maximum 12 telephones(Flg.6).
Quantity Unit
SET
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