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BASE STATION ANTENNAS  Center-Fed-Folded Dipole for the 380-470 MHz Band




















                                                                      Type                DIPOLE
                                                                      ELECTRICAL
                                                                      Frequency Range     380-470 MHz
                                                                      Band width          40 MHz
                                                                      SWR                 < 1.5
                                                                      Gain                0 dBd (2.15 dBi)
                                                                      Impedance
                                                                      Max Power           150 W
                                                                      Polarization        Vertical; Horizontal
                                                                      Antistatic protection  DC-grounded (Connector
                                                                                          shows a DC-short)
                                                                      Connector           N (female)

                                                                      MECHANICAL
                                                                      Weight              2.5 kg
                                                                      Mounting
                                                                      Material            epoxy-coated aluminum
                                                                      Wind Load           150 km/h

                                                                      ORDERING DESIGNATIONS
                                                                      Type                Frequency
                                                                         70-D/l           380-420 MHz
                                                                         70-D/m           405-445 MHz
                                                                         70-D/h           430-470 MHz







              RADIATION PATTERN (E-PLANE)       RADIATION PATTERN (H-PLANE)       TYPICAL SWR CURVE
                +30°  +60°  +90°  +60°  +30°     +300°  +330°  0°   30°   60°       2.0
                                                                                   SWR  1.5

               +3   0  -3  -6 -9  -9 -6 -3  0  +3  +3  0  -3  -6 -9  -9 -6 -3  0  +3
               0°                          0°    270°                        90°    1.0
                                                                                      380         70-D/l      420
                                                                                      405         70-D/m      445
                                                                                      430         70-D/h      470
                -30°   -60°  -90°  -60°  -30°     240°  210°  180°  150°  120°                       freq. MHz


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