390-490 MHz Directional antennas Y4 UHF (L, H)

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390-490 MHz Directional antennas Y4 UHF (L, H)

Electrical specifications

Model Y4 UHF(L) Y4 UHF(H)
Operating frequency band, MHz 390-440 430-490
VSWR, not more than 1.5
Gain, dBi 8.15
Sector , -3dB
in vertical plane 63°
in horizontal plane 68°
Polarization vertical
Impedance, Ohm 50
Max. power input, W 400

Mechanical specifications

Model Y4 UHF(L) Y4 UHF(H)
Weight, kg 1.45
Size, mm 840x350x120
Construction material Aluminium alloy
Mast diametr, mm 25-55
Rated wind velocity, m/s 45
Wind loading area, m2 0.05 0.04
Load of side wind 45 m/s, H 55 45
Rated wind velocity with 0.5" icing, m/s 28
Temperature range, °C from -50 to +50
Connector N-female

Antenna Y4 UHF was designed specifically to operate as a part of communication systems in regions with tough climatic conditions: at far North, mountainous regions, and maritime climatic zone. All-welded construction makes it invulnerable to icing and strong wind. Polymeric coating protects it from hostile environment. This antenna will be optimal for subscriber radio stations, operating with frequency separation 10-12 MHz, due to wide operating band. There are not so many antennas able to provide such bandwidth!


Y4 UHF E-plane pattern

Y4 UHF H-plane pattern


VSWR diagram,Y4 UHF(L, H)
The information provided on this page is not an official offer.
To verify actual parameters contact the sales department before ordering.