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DH1 VHF
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DH2 VHF
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| | Electrical specifications
| Model |
DH1 VHF |
DH2 VHF |
DH4 VHF
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| Operating frequency band, MHz |
136-174
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| VSWR, not more than |
1.5
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| Gain OFFSET, dBi |
5.15 |
8.15 |
11.15
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| Sector , -3dB: |
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| in vertical plane |
75° |
37° |
18°
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| in horizontal plane |
132°
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| Impedance, Ohm |
50
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| Max. power input, W |
100
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Mechanical specifications
| Model |
DH1 VHF |
DH2 VHF |
DH4 VHF
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| Weight, kg |
0.97 |
2,8 |
5,6
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| Height/Length, M |
0.73-0.99 |
2.25-2,9 |
5,3-6,9
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| Construction material |
Aluminium alloy, D16T
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| Mast diametr, mm |
25-55
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| Rated wind velocity, m/s |
45
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| Wind loading area, m2 |
0.022 |
0.045 |
0.09
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| Load of side wind 45 m/s, H |
25 |
51 |
102
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| Rated wind velocity with 0.5" icing, m/s |
28
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| Temperature range, °C |
from -50 to +50
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| Connector |
SO-239 |
N-female |
N-female
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Antenna DH1 VHF is half-wave continuous dipole with shunt power supply (gamma-transformer). It is designed for lateral mounting and array antenna constructing. Antenna has collapsible construction and grounded totally. Tuning is conducted by setting vibrator length according to that specified in supplied diagram. Gamma-transformer usage provides perfect antenna tuning. Steel zinc-coated mounting device provides reliable mounting.
Antenna DH2 VHF and DH4 VHF is two and four-component array antenna, with DH1 VHF as main structural component. These antennas can be used for circular pattern generation as panel antennas for lateral mount on radiopaque towers. Supplied with adders TK-72V and TK-74V.
DH1 VHF E-plane pattern
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DH2 VHF E-plane pattern
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DH4 VHF E-plane pattern
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DH1 VHF H-plane pattern
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VSWR diagram, DH1 VHF
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VSWR diagram, DH2 VHF
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VSWR diagram, DH4 VHF
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The information provided on this page is not an official offer.
To verify actual parameters contact the sales department before ordering.
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