The Transmission site Landespolizeidirektion Karlsruhe is a site with short wave aerial and an 81 metre tall telecommunication tower at (48°39′51″N8°47′42″E) on Lerchenberg near Wildberg, 20 kilometre westwards of Stuttgart. The whole area is undertunneled and equipped with an entrance which can be passed by vehicles with a height of 3.8 metres.