Mobile Load Coil Antenna
Spring B4303S
PREMIUM MOBILE LOAD COIL ANTENNAS ARE INDUSTRY STANDARD
Laird's ongoing commitment to refinement in mechanical and electrical design has
resulted in the most technically advanced mobile load coil antennas on the market.
Exclusive features such as stainless steel whips, housings constructed with ABS material
injected molded around a solid brass insert, and gold plated push pin contacts make
Laird the obvious choice for quality and long lasting value for demanding mobile radio
communications.
FEATURES
• Easily removable rod allows the mount
to stay water tight during car washes
• O-ring built into the base creates a
weather-tight seal
• ABS material is injection molded
directly around the solid brass inserts
for a virtually indestructible housing
that will not leak or dissassemble
• All silver soldered joints provide
an electrically and mechanically
secure connection
MARKETS
• Public safety
• Transportation
• Utility
• Military mobile
ANTENNA PATTERNS
350°
340°
°
330
20°
0
-2
-4
-6
-8
-10
-20
-30
-40
-50
10°
320
30°
40
°
°
50
°
60
70°
80°
90°
°
31
0°
30
0°
290
°
280°
270°
Normalized to 3dBi
Elevation Pattern (Y, Z, or H-plane)
Americas: +1.847 839.6907
IAS-AmericasEastSales@lairdtech.com
Europe: +44.1628.858941
IAS-EUSales@lairdtech.com
Asia:
+86.21.5855.0827.127
IAS-AsiaSales@lairdtech.com
www.lairdtech.com
Mobile Load Coil Antenna
Spring B4303S
SPECIFICATIONS
ELECTRICAL
Frequency Range
VSWR
Nominal Gain
Maxmium Power
Nominal Impedance
Polarization
Pattern
Half-Power Beamwidth
(Elevation° x Azimuth°)
Coaxial Cable Length & Type
(For Vertical Polarization)
Terminations
Noise Suppressor
430-450 MHz
< 2.1 Max
3 dBi
200 W
50
Ω
Vertical
Omnidirectional
70° x 360°
None
NMO
BlackHawk NS1535
1-35 VOLT, 15 Amp
Noise Suppessor
(Sold Separately)
MODEL AND ORDERING INFORMATION
MODEL
B4303S
BB4303S
DESCRIPTION
430-450 MHz, 5/8 Wave, Chrome Finish
430-450 MHz, 5/8 Wave, Black Finish
OVERALL HEIGHT
23”
23”
TUNING
See Cutting Chart
See Cutting Chart
B4303S CUTTING CHART
FREQUENCY
430 MHz
435 MHz
440 MHz
445 MHz
450 MHz
WHIP LENGTH
9-13/16”
9⅝”
18-5/16”
9”
8¾”
MECHANICAL
Height
Diameter
Weight
Equivalent Flat Plate Area
(Wind Resistance in Sq. Ft.)
Mounting Information
(Sold Separately)
19⅜”
(Also, see cutting chart)
1.44”
< 0.5 lb
0.023 sq. ft.
NMO Mountable
ANT-DS-B4303S 111014
Any information furnished by Laird Inc. and its agents is believed to be accurate and reliable. All specifications are subject to change without notice. Responsibility for the use and application of Laird
materials rests with the end user, since Laird and its agents cannot be aware of all potential uses. Laird makes no warranties as to the fitness, merchantability or suitability of any Laird materials or
products for any specific or general uses. Laird shall not be liable for incidental or consequential damages of any kind. All Laird products are sold pursuant to the Laird Terms and Conditions of sale in
effect from time to time, a copy of which will be furnished upon request. © Copyright 2014 Laird Inc. All Rights Reserved. Laird, Laird Technologies, the Laird Logo, and other marks are trade marks or
registered trade marks of Laird Inc. or an affiliate company thereof. Other product or service names may be the property of third parties. Nothing herein provides a license under any Laird
or
any third
party intellectual property rights.
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