off-air reporter
n.— «Mr. Conroy, whose job title is “off-air reporter,” (because he does not normally appear on television) is one of many young journalists hired by the networks to follow the candidates across the country, filing video and blog posts as they go. Originally hired to cut expenses—their cost is a fraction of a full television crew’s—these reporters, also called “embeds,” have produced a staggering amount of content, especially video. And in this election cycle, for the first time, they are able to edit and transmit video on the fly.» —“Putting Candidates Under the Videoscope” by Brian Stelter New York Times Feb. 11, 2008. (source: Double-Tongued Dictionary)