ASSESSMENT OF RADIO FREQUENCY RADIATION IN THE FAR FIELD OF SELECTED MOBILE BASE STATIONS IN IJEBU-ODE, OGUN STATE, NIGERIA.
Abstract
With the advancement of generations of 4th and 5th mobile technologies, more mobile base stations may be erected close to the public domains. There is a need to alleviate if possible, the perceived danger of exposure to non-ionizing radiation. Hence, the assessment of Radio-Frequency (RF) radiation in the far-field from the selected mobile base station in Ijebu-Ode, Ogun State, Nigeria has been carried out. Measurements were carried out using a handheld three-axis RF meter placed at one meter above the ground level and pointing towards the mast at arm’s length. The values of the power density and the specific absorption rate for the sixteen (16) base stations selected for the study are within the range of 0.228 μW/m2 ̶ 20860 μW/m2 and 0.20 μW/kg - 175 μW/kg respectively. These values are quite lower than the permissible limits (0.08 W/kg) for the whole-body average specific absorption rate and 4.5 W/m2 for 900 MHz and 9.0 W/m2 for 1800 MHz.respectively. This shows that there is no significant health risk for the general public within the far-field vicinity of the selected base stations.
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