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Home » DK7ZB Yagi » Duo/Tri-band » DK7ZB Duoband-Yagi 4/5 el. 144-146/430-440 MHz

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DK7ZB Duoband-Yagi 4/5 el. 144-146/430-440 MHz  
DK7ZB Duoband-Yagi 4/5 el. 144-146/430-440 MHz
Price:35.00 €

Net: 28.69 €


Balun type:

Producer:  VPA-Systems

Product code:  DK7ZB-DUO-144-430_4+5

DK7ZB Duoband-Yagi 4/5 el. 144-146/430-440 MHz

Specification
2m 70cm
Number of elements
4 5
Gain
9.25 dBi
10.8 dBi
3dB-angles horizontal (H)
60°
28°
3dB-angles vertical ±3dB (V)
84°
88°
Front to back ratio (F/B)
12.8 dB 10.2 dB
SWR max.
1.3:1
2.0:1
Input impedance
50 Ω
Max. input power
70 W (400W)
Connector
Typ N
Weight 1.2 kg
Total lenght
115 cm
Mast mount
double < Ø45 mm

Antenna is made from high quality aluminium alloy. Boom 20x20x1mm, elements Ø10x1mm, stainless steel screws (A2). All elements are protected from adverse weather conditions .

Inside radiator box is instaled 1:1 balun which can handle up to 70W. 400W version is also availbale to.

Antenna is very good solution for places with not enough space for installing two different antennas on 2m and 70cm. Is perfect for transceivers with single 2m and 70cm connector like FT-857, IC-7000.

Below are listed teoretical characteristics of antenna and SWR.

Vertical and Horizontal plane at 144.3 MHz


SWR - 144-146 MHz


Elements currents at 144.3 MHz


Vertical and Horizontal plane at 433 MHz


SWR - 430-440 MHz



Elements currents at
432.2 MHz




Product gallery:
DK7ZB Duoband-Yagi 4/5 el. 144-146/430-440 MHz_1
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