THREE ELEMENT UHF YAGI ANTENNAS
380 . . . 470 MHz
THREE ELEMENT
UHF YAGI ANTENNAS
 These Yagi antennas are commonly used for
point-to-point communication.
 High gain and high front-to-back ratio.
 All metal parts DC grounded.
 All welded aluminium construction.
Electrical Data
Y390/3
Y425/3
Y460/3
Frequency Range
380 – 400 MHz
406 – 424 MHz
440 – 470 MHz
Nominal Gain
7 dBd
VSWR
 1.5:1
Polarisation
Vertical or horizontal
H Plane 3dB Beam Width
120
E Plane 3dB Beam Width
70
Front-to-back ratio
> 15 dB
Rated power
150 W
Impedance
50 Ω
Termination
N-Type male
Lightning Protection
All metal parts directly grounded
Mechanical Data
Maximum wind velocity
200 km/h
Wind Load @ 144 km/h
4.0 kg
Equivalent Flat Plate Area
0.037 m²
Material
Aluminium
Mounting
To support pipes 25 – 50 mm Ø with V-bolts supplied
Antenna Dimensions
0.7 m long, 0.4 m high
Packaged weight / Volume
2.9 kg / 75 x 43 x 10 cm
Vertical polarization.
Normalized scale – not gain.
Typical vertical pattern
Specification subject to change without notice.
ISO 9001
Typical horizontal pattern
Tel: +27 11 719-0000
webb@webb.co.za
2011/09/19
Fax +27 11 444-2288
www.webb.co.za
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