This gooseneck is used on a conventional intercom station or - together with the plug of an XLR cable - mounted in a table flange TEF.
The gooseneck is basically available of any length. A length greater than 420 mm is not recommended.
The three basic variants of the gooseneck are:
A variant with LED ring is also available (#193003 surcharge for LED). The product is then called "S 250 LED L".