Advantages: Fixed body (roof/wing) mount DAB car radio aerial. 180 degree adjustable angle. Mounts to surfaces from horizontal to vertical. More here Neat and unobtrusive. Mast can be unscrewed for carwash etc. Very good performance for the price.
Cautions: Must not be mounted on a surface whose underside is exposed to the elements. Only reception of L-Band (as used in some countries)
Specifications Rod length 330 mm Base 28 mm diameter Cable length 2.5 metres (extension cables here) Hole diameter 14 - 18 mm. Connector SMB (F) DAB Band III 174 - 237 Mhz DAB L-Band 1452 - 1492 Mhz Impedance 50 ohm