This Tonna F9FT 20921 is a 21 element yagi antenna which covers between 432-434MHz (70cm), this yagi has a power rating of 1kW PEP.
Effective electrical length: 6.57 l
Isotropic gain: 18.1 dBi
- E-plane: 2 x 11.8°
- H-plane: 2 x 12.2°
- E-plane: - 14.5 dB @ 29°
- H-plane: - 12.9 dB @ 29°
Rear protection: - 29.7 dB
- E-plane: - 38 dB
- H-plane: - 29 dB
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