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參數資料
| 型號： | 978H120T2E-M |
| 元件分類： | 天線 |
| 英文描述： | 1850 MHz - 1990 MHz BASE STATION/BROADCAST TRANSMISSION ANTENNA, 15.1 dBi GAIN, 120 deg 3dB BEAMWIDTH |
| 文件頁數： | 1/1頁 |
| 文件大?。?/td> | 1057K |
| 代理商： | 978H120T2E-M |
DECIBEL PRODUCTS
A Division of Allen Telecom Inc.
8635 Stemmons Freeway P. O. Box 569610 Dallas, Texas 75356-9610
214 / 631-0310 Fax: 214 / 631-4706
099050-005-H
12/99
13 dBd (15.1 dBi) Gain
Directional Antenna with
120° horizontal 3 dB
beamwidth for 1850-1990
MHz.
Specifications are for reference only.
Antenna Patterns
Vertical
Horizontal
Electrical Downtilt (T) Option
Model Number
Downtilt
Horizon Gain
978H120T2E/N-M
978H120T3E/N-M
978H120T5E/N-M
978H120T7E/N-M
2°
3°
5°
7°
13.0 dBd
12.9 dBd
12.7 dBd
12.5 dBd
DB978H120(E/N/A/B/R/S)-M
120°, 13 dBd Directional Antenna
1850-1990 MHz
Model Number
DB978H120E-M
DB978H120N-M
DB978H120A-M
DB978H120B-M
DB978H120R-M
DB978H120S-M
Connector Options
Bottom: E = 7-16 DIN
Back: A = 7-16 DIN
Top:
R = 7-16 DIN
N = Type N Female
B = Type N Female
S = Type N Female
Frequency Range
1850 - 1990 MHz
Gain
13 dBd (15.1 dBi)
Null Fill
First lower null is less than 18 dB down
from max. First lower side lobe
suppressed.
VSWR
< 1.4:1
Beamwidth
(3dB from max)
Horizontal:
Vertical:
120° ± 10°
7° ± .5°
Front to Back Ratio
> 25 dB
Polarization
Vertical
Max. Input Power
250 Watts
Application
PCS
Weight
7.1 lbs (3.2 kg)
Wind Area
2.0 ft (.19 m)
Wind Load
80 lbf (356N) 35.9 kp (at 100 mph)
Max. Wind Speed
165 mph (266 km/h)
Material
Reflector Screen:
Radiators:
Radome:
Mounting Hdw:
Pass. Aluminum
Brass
PVC, UV Resistant
Galvanized Steel
Color
Normal: Gray
Mounting
DB390 pipe mount kit, included.
Downtilt Brackets
(Optional)
DB5098
Weather Protection
Fully protected by backplate and radome.
Lightning Protection
All metal parts grounded.
Packing Size
53" x 7" x 6" (135 X 18 X 15 cm)
Shipping Weight
11 lbs (5 kg)
120°
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