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The Mobile Base Station - Mobile Towers and Safety

Part 1 - The Mobile Base Station
Part 2 - Radio-Frequency Energy Explained
Part 3 - RF Safety and Health Studies
Part 4 - Electromagnetic Radiation Guidelines for Mobile Tower Radiation and RF Exposure


The Mobile Base Station

Mobile Base Stations, sometimes referred to as Mobile Towers, are the structures which connect mobile phones within their range to the regular landline phone system. A mobile base station and installation acts as low power, multi-channel two-way radio, which communicates with individual phones, themselves low power, single channel two-way radios.

As such, the mobile base station and the mobile phone emit radio-frequency (RF) energy, which exposes people in the area to that energy. However, as both the base station and the phones connected to it are low power, they operate at levels well below those at levels considered dangerous, so long as the antenna portion of the base station is installed at a safe distance from anyone (general public) nearby.

Base stations actually consist of three main portions; the antenna, the equipment shelter and the tower or mast which raises the antenna well above the ground. The tower itself emits no RF energy and in fact, the area directly surrounding a mobile base station (at ground level) is exposed to less RF energy than areas further out at antenna level, as the antenna radiates in a fan or wedge shape outward to the coverage area.

cellular base station

Like other radio towers, such as those used in broadcast radio and television, the use and construction of a mobile base station is regulated by the Australian Communications and Media Authority (ACMA), and the RF energy levels it can produce are designed to fall well below levels considered to pose a threat to health. The antennas themselves must be kept inaccessible to the public, and at a safe range. These regulations ensure that properly installed base stations pose no threat to the areas they service.


Part 1 - The Mobile Base Station
Part 2 - Radio-Frequency Energy Explained
Part 3 - RF Safety and Health Studies
Part 4 - Electromagnetic Radiation Guidelines for Mobile Tower Radiation and RF Exposure