Lectrosonics is a US manufacturer based in Rio Rancho, New Mexico.  Founded in 1971, they started out as an audio company by making amplified lectern systems.  Wireless microphone development began at Lectrosonics in earnest during the late ‘80s, and by the mid-1990s, nearly every major motion picture, most television productions and news broadcasting relied on Lectrosonics wireless systems. At the 2004 Academy Awards, the top five picture nominees and the top two winners, including Lord of the Rings, used Lectrosonics wireless microphone systems for film production. More recently, the Academy Award-winning 2006 film Dreamgirls also benefitted from Lectrosonics wireless technology when it won an Oscar for Sound Mixing.  Many  television and video production  use Lectrosonics equipment :  serials “Friends”,  “Sex in city”, “Nash Bridges”, “Desperate Housewives” , the Oprah Show -  only a few examples of it.

Web site  http://www.lectrosonics.com