300-346 MHz Directional antennas Y5 ALT, Y5 ALT M : IK-Telecom
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300-346 MHz
Directional antennas Y5 ALT, Y5 ALT M


Y5 ALT

Y5 ALT(M)
Electrical specifications
Model Y5 ALT Y5 ALT M
Operating frequency band, MHz 300-346 295-350
VSWR, not more than 1.5
Gain, dBi 10.15 8.5
Sector, -3dB
in vertical plane 45° 60°
in horizontal plane 65° 75°
Polarization vertical
Impedance, Ohm 50
Max. power input, W 200
Mechanical specifications
Model Y5 ALT Y5 ALT M
Weight, kg 1.25 1.5
Size, mm 990x480x30 1220x500x130
Construction material Aluminium alloy
Mast diametr, mm 25-55 38-65
Rated wind velocity, m/s 45
Wind loading area, m2 0.06 0.0536
Load of side wind 45 m/s, H 65
Rated wind velocity with 0.5" icing, m/s 28
Temperature range, °C from -50 to +50
Connector N-female

Advantages of antenna Y5 ALT: operation at greatly separated frequencies (36 MHz), high gain, possibility of gain increase due to build up of array antennas, all-welded construction, providing mechanical strength, reliable polymeric coating, protecting from hostile environment and icing, enable to use it as base station antenna in communication systems.
Our new design development is a five-element wave channel with loop vibrator and symmetrical feeding system Y5 ALT M. The antenna is implemented in more strong variant if compared with Y5 ALT. The mechanical strength of this new antenna is ensured by the welded construction and cast silumin legs that allow fixing antenna on the mast of diameter 38-65 mm. The demountable vibrator improves the protection against the weather impact.

Y5 ALT E-plane pattern

Y5 ALT H-plane pattern

VSWR diagram, Y5 ALT

VSWR diagram, Y5 ALT M


Finland, Pulsa