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参数资料
| 型号： | YDA4701 |
| 元件分类： | 天线 |
| 英文描述： | BASE STATION/BROADCAST TRANSMISSION ANTENNA |
| 文件页数： | 1/1页 |
| 文件大小： | 44K |
| 代理商： | YDA4701 |
l VSWR:
<1.5:1
l Max Power:
300 watts
l Impedance:
50 ohms
l Termination Type:
N Female and SO239 upon request
l Lightning Protection:
DC Ground
l Vertical Beam at 1/2 Power: Unity - 90 degrees
3 dB - 39 degrees
6 dB - 24 degrees
9 dB - 15 degrees
l Mast Size Needed:
VHF
3 dB - 8 ft.
6 dB - 18 ft.
UHF
3 dB - 4 ft.
6 dB - 8 ft.
l Element Material:
3/8" diameter solid
6061-T6 aluminum rod
l Wind Survival:
100 M.P.H.
l Boom Material:
Heat treated 6061-T6 aluminum tube.
l Hardware:
Stainless steel U-Bolt included.
Omni
Offset
Dipole
Model
Frequency Gain
Gain
Bays
DIPOLE ARRAYS
YDA1362 136-150
3 dB
6 dB
2
YDA1364 136-150
6 dB
9 dB
4
YDA1502 150-174
3 dB
6 dB
2
YDA1504 150-174
6 dB
9 dB
4
YDA2002 200-225
3 dB
6 dB
2
YDA2004 200-225
6 dB
9 dB
4
YDA2252 225-250
3 dB
6 dB
2
YDA2254 225-250
6 dB
9 dB
4
YDA2502 250-285
3 dB
6 dB
2
YDA2504 250-285
6 dB
9 dB
4
YDA3402 340-360
3 dB
6 dB
2
YDA3404 340-360
6 dB
9 dB
4
YDA3602 360-380
3 dB
6 dB
2
YDA3604 360-380
6 dB
9 dB
4
YDA3802 380-406
3 dB
6 dB
2
YDA3804 380-406
6 dB
9 dB
4
YDA4062 406-430
3 dB
6 dB
2
YDA4064 406-430
6 dB
9 dB
4
YDA4302 430-450
3 dB
6 dB
2
YDA4304 430-450
6 dB
9 dB
4
YDA4502 450-470
3 dB
6 dB
2
YDA4504 450-470
6 dB
9 dB
4
YDA4702 470-490
3 dB
6 dB
2
YDA4704 470-490
6 dB
9 dB
4
YDA4902 490-512
3 dB
6 dB
2
YDA4904 490-512
6 dB
9 dB
4
Mounting Brackets with stainless steel hardware included at no charge.
SINGLE OR REPLACEMENT DIPOLES
YDA***1 Specify Freq. Unity
N/A
1
ANTENNAMASTS
YMST4
4’ X 1-1/4” OD X .065” wall aluminum mast
YMST8
8’ X 1-1/4” OD X .065” wall aluminum mast
YMST18
18’ X 1-1/4” OD X .065” wall alum mast (2pc)
REPLACEMENTPOWERDIVIDERS/ STACKINGHARNESSES
YPD**2N For 2 bay array or to stack 2 Yagis (N)
YPD**2P
For 2 bay array or to stack 2 Yagis (PL259)
YPD**4N For 4 bay array (N)
YPD**4P
For 4 bay array (PL259)
YPD8**2N For stacking 2 800 MHz Yagis (N)
YPD9**2N For stacking 2 900 MHz Yagis (N)
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.
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.
Note: Custom pattern information
is not provided for these arrays.
They should therefore be installed
by experienced installers only.
Ordering Guide - Clear, Easy & Sensible!
YDA4504 = Dipole Array, 450-470 MHz, 4 Dipole Bays.
VSWR
YDA4504
Vertical Field Patterns
Technical Data - Product Features & Information
YDA
Antenna Style
YDA = Dipole Array
450
Frequency
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
4
Quantity of Bays
2 = Dipole Bays
4 = Dipole Bays
CENTER: 162.500 MHz
SP
SPAN:
25.000 MHz
AN:
25.000 MHz
CH1 RFL
SWR
CH1 RFL
SWR
250 m / REF 1.5
2.0
1.5
1.0
Cor
2
1
3
1: 1.2285
162.50 MHz
3: 1.4884
167.50 MHz
2:
1.5002
2:
1.5002
157.50 MHz
YDA1502
Omnidirectional
Pattern
150
120
0
180
210
90
60
30
330
300
270
240
-2
-4
-6
-8
-10
-40
-50
-20
Normalized to 3 dBd
-30
14
YDA1502
Offset Pattern
150
120
0
180
210
90
60
30
330
300
270
240
-2
-4
-6
-8
-10
-40
-50
-20
Normalized to 6 dBd
-30
YDP**4N
Our Dipole Arrays have the same high quality
plated brass connectors as our Yagi models!
YDA1502
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