https://gepa-mbh.de/wp-content/uploads/2016/03/wotspot-out-of-home-advertising.jpg364500adminhttps://gepa-mbh.de/wp-content/uploads/2015/03/GEPA_Logo2015_blau-250x131.pngadmin2016-03-08 15:07:162017-05-29 12:52:17Next generation in IoT for out of home advertising