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BY4 3G
         BASE STATION ANTENNAS  2-element Yagi Antenna for the 66-85 MHz Band







              sealed in a polyethylene (PET) moulding ensuring permanent waterproof connections. The antenna is terminated










                                                                      Type                YAGI
                                                                      ELECTRICAL
                                                                      Frequency Range     66-85 MHz
                                                                      Band width          10 MHz
                                                                      SWR                 < 1.5
                                                                      Gain                3 dBd (5.15 dBi)
                                                                      Impedance
                                                                      Max. Power          150 W
                                                                      Polarization        Vertical; Horizontal
                                                                      Front to back ratio  12 dB
                                                                      Antistatic protection  DC-grounded (Connector
                                                                                          shows a DC-short)
                                                                      Connector           N (female)

                                                                      MECHANICAL
                                                                      Length              1.8 m
                                                                      Weight              5 kg
                                                                      Mounting
                                                                      Material            aluminum
                                                                      Wind Load           150 km/h

                                                                      ORDERING DESIGNATIONS
                                                                      Type                Frequency
                                                                      AC80-D3G/l          66-76 MHz
                                                                      AC80-D3G/h          75-85 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
                                                                                      66        AC80-D3G/l     76
                                                                                      75        AC80-D3G/h     85
                -30°   -60°  -90°  -60°  -30°     240°  210°  180°  150°  120°                       freq. MHz


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