A remote pickup unit or RPU is a

radio Radio is the technology of communicating using radio waves. Radio waves are electromagnetic waves of frequency between 3 hertz (Hz) and 300 gigahertz (GHz). They are generated by an electronic device called a transmitter connec ...

system using special radio frequencies set aside for electronic news-gathering (ENG) and remote broadcasting. It can also be used for other types of point-to-point radio links. An RPU is used to send program material from a remote location to the broadcast station or network. Usually these systems use specialized high audio fidelity radio equipment. One manufacturer, Marti, was best known for manufacturing remote pickup equipment, so much so that the name is usually used to refer to a remote pickup unit regardless of who the actual equipment manufacturer actually is.{{cite news , title=This Pot Reserved for Marti Remote , first=Charles , last=Fitch , publisher=Radio World , date=2005-05-25 Today much of the remote broadcast use digital audio system fed over ISDN telephone lines. This method is favored because of reliability of

telephone A telephone, colloquially referred to as a phone, is a telecommunications device that enables two or more users to conduct a conversation when they are too far apart to be easily heard directly. A telephone converts sound, typically and most ...

lines versus a radio link back to the station. The radio RPU remains much more favored for ENG however, because of its flexibility.

Footnotes

Broadcast engineering