參數(shù)資料
型號： A148-20T
元件分類： 天線
英文描述： YAGI ANTENNA
文件頁數(shù)： 1/1頁
文件大小： 123K
代理商： A148-20T
COMMUNICATIONS ANTENNAS
Page 12
UHF/VHF YAGIS
224WB/225WB
220 MHz Widebands
These 222 MHz beams are perfect for
Packet, FM repeaters, or sideband/CW.
Both antennas can be mounted for vertical
or horizontal polarization.
A4496S/A44911S
Use one of these 440 MHz beams for your
FM/Packet needs. Both work great for
vertical or horizontal polarization.
A14820T 2 Meter Hi-Lo Cross Yagi
Here's the antenna that solves multi-mode problems! Ten vertically polarized
and ten horizontally polarized elements provide 11.1 dBi gain covering 144-148
MHz. The horizontal elements handle your CW and SSB needs, while the vertical
elements cover FM. Hardware is stainless steel. Separate coax feeds allow
polarization changes.
A14820T has a boom length of 11 ft. (3.4m), longest element length of 40.6 in.
(103cm), wind area of 1.21 ft2 (.11m2), and a mast size of 1.25-2 in. (3.2-5.1 cm).
70 CM, 1
1/4M, 2 M
MODEL
719B
729B
A4496S
A44911S
Frequency, MHz
430-450
430-440
440-450
No. Elements
19
29
6
11
Forward Gain, dBi
15.5
17.8
10.5
13.2
Front to Back Ratio, dB
25
18
20
SWR 1.2:1 Typical
2:1 Bandwidth MHz
20
>10
Power Rating, Watts PEP
2000
350
3 dB Beamwidth, Degrees
E Plane
24
20
60
48
H Plane
19
22
Side Lobe Atten., dB, E Plane
60
Boom Length, ft (m)
13.5 (4.1)
22.17 (6.75)
2.9 (0.89)
4.2 (1.35)
Electrical Wavelength
6
9.8
Longest Element, in (cm)
13.75 (34.9)
13 (33)
Turning Radius, ft (m)
7.25 (2.2)
12.5 (3.8)
2.9 (.89)
2.8 (.85)
Mast Size Range, in (cm)
1.25-2
1.25-2.0
1.25-1.5
(3.2-5.1)
(3.2-3.8)
Wind Load, ft2(m2)
1.2 (.11)
2.2 (.21)
0.30 (0.03)
0.39 (0.04)
Weight, lb (kg)
5.6 (2.55)
8.6 (3.9)
3 (1.4)
4 (1.8)
719B FM, CW and SSB 15.5 dBi
Looking for an antenna to enhance performance on all modes
of the 70 CM band? The 13.5 foot long 719B is the right choice.
Mount it vertical for FM or horizontal for CW and Sideband.
The 719B joins the 2 meter 13B2 as a classic for improved
performance.
225WB
A14820T
224WB
A44911S
719B
A4496S
MODEL
224WB
225WB
A14820T
Frequency, MHZ
222-225
144-148
No. Elements
4
15
10/10
Forward Gain, dBi
10.2
15.5
13
Front to Back Ratio, dB
24
SWR 1.2:1 Typical
2:1 Bandwidth, MHz
>5
>4
Power Rating, Watts PEP
2000
1000
3dB Beamwidth, Degrees
E Plane
60
2x17
45
H Plane
88
2x19
50
Side Lobe Attenuation,
dB E Plane
40
60
40
Boom Length, ft (m)
3 (.91)
10 (3.05)
11(3.4)
Electrical Wavelength
0.5
2.2
1.6
Longest Element, in (cm)
26.7 (68)
26.3 (67)
40.6 (103)
Turning Radius, ft (m)
3 (.91)
5.8 (1.78)
7.5 (2.3)
Mast Size Range, in (cm)
1.25-2
(3.2-5.1)
Wind Load, ft2 (m2)
.23 (.021)
.95 (.09)
0.39(0.11)
Weight, lb (kg)
1.7 (.77)
5.25 (2.4)
7 (3.15)
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