Vision Plus Image 420 Digital AntennaVision Plus Image 420 Digital Antenna The image 420 is the ideal aerial for caravanners and motorhome users, this small compact aerial is ideal for weekend getaways, and for long stays with the aerial being compact, it will store away very easily for the trip there and home. The semi enclosed elements produce a sleek, stylish alternative to traditional antennas, whilst the special log periodic design provides powerful performance, comparable with much