In Nigeria 98% of Global System for Mobile (GSM) base stations (cell sites) are sited within 20 meters from residential, offices, schools, business buildings, petrol stations and public arenas. 97.1% of these mobile base station antennas have their far field zone, which ranges between 110 m to 270 m, and are centred on densely populated areas. Cell phone antennas emit microwave frequencies, which ...Show More
