There also was a 5,000-watt transmitter unit for emergency use.
They've got lots of power, and we can rig up a transmitter unit to send it over here to our receptor.
Janson heard his voice tinnily but clearly through the transmitter unit.
An audio monitor consists of a transmitter unit, equipped with a microphone, placed near to the child.
Inside, technicians tried to coax a nearly 30-year-old transmitter unit rescued from the rubble back to life.
The battery lasts about nine hours and can be recharged by hanging the earphones overnight on the transmitter unit.
The transmitter units would stand about ten feet high.
We'll get right to work on these transmitter units.
Of course I won't be able to use the regular transmitter units.
Meanwhile, native work crews had been flown in to clear a space for a regular transmitter unit on each side of the morass.