Selection of our clients Case studies Home / About Rohill / Resources / Case Studies Case studiesPublic SafetyAndorra Telecom, AndorraChuchubi, AntillesTshwane, South AfricaPublic TranspoGold Coast Light Rail, AustraliaMetro de Sevilla, SpainUlasim, TurkeyUtilitiesJohannesburg City Power, South AfricaTelasi, GeorgiaOil & GasExxon Mobil, NigeriaAirports and SeaportsDüsseldorf Airport, GermanySchiphol Airport, NetherlandsSouth African Airports, South AfricaAdolfo Suarez Airport, SpainIndustryAmsterdam RAI, NetherlandsFloraHolland, NetherlandsPublic Access Mobile RadioChuchubi, AntillesSECORA, Spain