FM-DV3 occasionally extremely child aerial

FM-DV3 occasionally extremely child aerial
Frequency limits 87.5-108MHz
Gain 6dBd
Antenna of perpendicular polarization high-power
Can comprise linear antenna to radiation completely blast
Stainless steel / copper brace up child
Can undertake null fill-in and beam declination by the requirement

Electric function		Mechanical function
Frequency limits	87.5-108MHz	Dimension	5000x1100x300
Input impedance	50 ohm	Weight	82Kg(copper)
Input interface			68Kg (stainless steel)
Most high-power capacity	5KW	Wind load	4010N (wind speed 150Km/h)
VSWR(assigns frequency)	≤ 1.1	Safety factor	2 (wind speed 225Km/h)
Polarization mode	Perpendicular	Material	Mainmast: Stainless steel
Gain (photograph half-and-half wave brace up child)	6dB		Brace up child: Stainless steel / copper
Half power horn	9 ° of E- graph ± 150 ° of H- graph ±		Inside conductor: Copper (silver-gilt)
			Protect a cover: Glass reinforced plastics
Thunder protection	Shed ground connection continuously	Install means	Free-standing / side is hanged

 

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