DIPOLE ARRAY ANTENNAS / POWER DIVIDERS
Don’t let the price of our YDA
Dipole antenna mislead you. This
is a serious antenna with high
class features, such as full gold-
anodization, fully welded
elements, and chrome plated
brass “N” connector. Our two
and four bay dipole antenna array
provides unmatched flexibility for
both radiation pattern and
frequency adjustment. The
dipoles will give you complete
control over the frequency and
power balance for your
installation. The dipoles may be
mounted in configurations to
create customized broadside,
omnidirectional, or end fire
patterns. Each model includes
mounting kits for each dipole and
a power divider for each system,
and are UPS shippable.
Ordering Guide -
Clear, Easy & Sensible!
YDA4504
= Dipole Array, 450-470 MHz, 4 Dipole Bays.
YDA
450
Antenna Style
Frequency
YDA
= Dipole Array
Frequency component of part number in bold below:
136-150
150-174 200-225 225-250
250-285
340-360 360-380 380-406
406-430
430-450 450-470 470-490
490-512
2
= Dipole Bays
4
= Dipole Bays
4
Quantity of Bays
Model
Omni
Frequency Gain
Offset
Gain
Dipole
Bays
DIPOLE ARRAYS
YDA1362
YDA1364
YDA1502
YDA1504
YDA2002
YDA2004
YDA2252
YDA2254
YDA2502
YDA2504
YDA3402
YDA3404
YDA3602
YDA3604
YDA3802
YDA3804
YDA4062
YDA4064
YDA4302
YDA4304
YDA4502
YDA4504
YDA4702
YDA4704
YDA4902
YDA4904
136-150
136-150
150-174
150-174
200-225
200-225
225-250
225-250
250-285
250-285
340-360
340-360
360-380
360-380
380-406
380-406
406-430
406-430
430-450
430-450
450-470
450-470
470-490
470-490
490-512
490-512
3 dB
6 dB
3 dB
6 dB
3 dB
6 dB
3 dB
6 dB
3 dB
6 dB
3 dB
6 dB
3 dB
6 dB
3 dB
6 dB
3 dB
6 dB
3 dB
6 dB
3 dB
6 dB
3 dB
6 dB
3 dB
6 dB
6 dB
9 dB
6 dB
9 dB
6 dB
9 dB
6 dB
9 dB
6 dB
9 dB
6 dB
9 dB
6 dB
9 dB
6 dB
9 dB
6 dB
9 dB
6 dB
9 dB
6 dB
9 dB
6 dB
9 dB
6 dB
9 dB
2
4
2
4
2
4
2
4
2
4
2
4
2
4
2
4
2
4
2
4
2
4
2
4
2
4
Note: Custom pattern information
is not provided for these arrays.
They should therefore be installed
by experienced installers only.
VSWR
CENTER: 162.500 MHz
SPAN:
SPAN:
25.000 MHz
2.0
CH1 RFL SWR
250 m / REF 1.5
YDA1502
1.5
Cor
2
1
3
1.0
2: 1.5002
157.50 MHz
1: 1.2285
162.50 MHz
3: 1.4884
167.50 MHz
Mounting Brackets with stainless steel hardware included at no charge.
SINGLE OR REPLACEMENT DIPOLES
YDA***1 Specify Freq. Unity
N/A
1
ANTENNA MASTS
Our Dipole Arrays have the same high quality
plated brass connectors as our Yagi models!
YMST4
YMST8
YMST18
4’ X 1-1/4” OD X .065” wall aluminum mast
8’ X 1-1/4” OD X .065” wall aluminum mast
18’ X 1-1/4” OD X .065” wall alum mast (2pc)
YDP**4N
YDA4504
REPLACEMENT POWER DIVIDERS / STACKING HARNESSES
YPD**2N
YPD**2P
YPD**4N
YPD**4P
YPD8**2N
YPD9**2N
For
For
For
For
For
For
2 bay array or to stack 2 Yagis (N)
2 bay array or to stack 2 Yagis (PL259)
4 bay array (N)
4 bay array (PL259)
stacking 2 800 MHz Yagis (N)
stacking 2 900 MHz Yagis (N)
Technical Data
-
Product Features & Information
l
l
l
l
l
l
VSWR:
Max Power:
Impedance:
Termination Type:
Lightning Protection:
Vertical Beam at 1/2 Power:
l
Mast Size Needed:
VHF
UHF
l
Element Material:
l
Wind Survival:
l
Boom Material:
l
Hardware:
<1.5:1
300 watts
50 ohms
N Female and SO239 upon request
DC Ground
Unity - 90 degrees
3 dB - 39 degrees
6 dB - 24 degrees
9 dB - 15 degrees
3 dB - 8 ft.
6 dB - 18 ft.
3 dB - 4 ft.
6 dB - 8 ft.
3/8" diameter solid
6061-T6 aluminum rod
100 M.P.H.
Heat treated 6061-T6 aluminum tube.
Stainless steel U-Bolt included.
Notes: For a dipole array power divider, *** = Band. For a stacking harness, *** = Center Frequency. N suffix
for type N connector harness; P suffix for PL259 connector harness.
Vertical Field Patterns
0
0
330
30
-2
-4
-6
-8
-10
330
30
-2
-4
-6
-8
-10
300
60
300
60
-20
-30
-40
-50
-20
-30
-40
-50
270
90
270
90
240
120
240
120
Normalized to 3 dBd
210
180
Normalized to 6 dBd
150
210
180
150
YDA1502
Omnidirectional
Pattern
YDA1502
Offset Pattern
14
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