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.
CALL - SIGNAL
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.
|