Antenna siluetti 7 months 2 Wifi symbol siluetti 7 months 4 Wifiservice siluetti 7 months 7 Wi-fi siluetti 7 months 1 Radio siluetti 11 months 10 Radio masts and towers siluetti 12 months 0 Tower siluetti 12 months 3 Space Satellite siluetti about 1 year 1 Blue light siluetti about 1 year 1 Okay Sign with the Hand siluetti almost 4 years 31