G21.B.3011111 Datasheet, PDF (8/23 Pages) Taoglas antenna solutions – Heavy duty screw mount

4.1 Return Loss
0
-5
-10
-15
-20
-25
-30
700
— 0.3 meters
— 1.0 meters
— 2.0 meters
— 3.0 meters
— 5.0 meters
800
900
1000
1100
1200
1300
1400
1500
1600
1700
1800
1900
2000
2100
2200
Frequency (MHz)
Figure 4. Return loss of G21 Hercules antenna on 60 cm metal plate.
SPE-12-8-047/G/EZ | page 8 of 23