An electrical device allowing one-way or two-way communication
(intercom) intercommunication system: a communication system linking different rooms within a building or ship etc
(Intercom) The audio link that enables drivers and co-drivers to hear one another above the noise of the car. Intercom headphones and a microphone are built into each driver and co-driver’s safety helmet.
(Intercom) 1. A means of organizational communications. The design of the intercoms systems produced by RTS Systems focuses on the concept of team communications. A team is an organization of members who perform individual tasks to accomplish a team goal or objective.
radio: medium for communication
having no wires; "a wireless security system"
transmission by radio waves
Lacking or not requiring wires
a small light typewriter; usually with a case in which it can be carried
of a motor designed to be attached to the outside of a boat's hull; "a portable outboard motor"
A version of something, such as a small lightweight television or computer, that can be easily carried
A small transportable building used as a classroom
easily or conveniently transported; "a portable television set"
Intercom
Quickie home intercom, switch to talk / listen, one knob is volume the other selects the room / area to talk to. Cooler then the electronics is the case which is made with formed plastic and the speaker grill which is a pressed out perforated aluminum disk.
intercom
old intercom that used to be in my parents house. as long as i lived there it never worked as far as an intercom, but the radio worked :)
old photo taken with a 3.2 mega pixel fuji, back in the early days of digital for me.