Hardwire Intercoms

Available from Metragen ll Ltd
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Duplex Simultaneous 2-Way

Private, “duplex”, (simultaneous 2-way)
– no confusing one-way-at-a time as
in common “simplex” Intercoms
Long distances on ordinary 2-conductor wire
No hard-to-find multi-conductor wire needed.
Do-it-yourself installation.


Each handset works on an internal 9V battery. Battery may last a year since used only when talking or calling. 4 or 5 handsets may connect on the same wire. Any handset can speak with any other handsets. Use buzzer code to call.

The exit cord of each handset is fitted with a 2-contact phono-plug. A matching phono-jack, with pigtail, is supplied, enabling rapid connection to any line.

Extra jacks maybe “spotted” anywhere on the line, so that a person carrying a handset may “plug in” at a nearby location.

Compact: Handset can be carried in pocket.

weights - 8 1/4 oz.

Wall hanger supplied. Color: Black

For industry, offices, stores, field, mines or military.

Special Safety Applications for Hazardous locations.

Every feature contributes to assured contact in emergencies where other forms of communications are unavailable.

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