ELECTRICAL
Frequency Range 490-512 MHz
Gain
3
dBi
VSWR < 1.5:1
Maximum Power 100 W
Nominal Impedance 50 Ω
Polarization Vertical
Pattern Omnidirectional
Coaxial Cable Length & Type
(For Vertical Polarization)
None
Terminations NMO style
SPECIFICATIONS
ANT-DS-B4903 111114
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application of Laird materials rests with the end user. Laird makes no warranties as to the fitness, merchantability, suitability or non-infringement 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.
Mobile Load Coil Antenna
Standard B4903
MODEL DESCRIPTION OVERALL HEIGHT
B4903 490-512 MHz, Chrome Finish 11.625 in
BB4903 490-512 MHz, Black Finish 11.625 in
B4903S 490-512 MHz, with Spring, Chrome Finish 12 in
BB4903S 490-512 MHz, with Spring, Black Finish 12 in
MODEL AND ORDERING INFORMATION
MECHANICAL
Color Black or chrome
Height
B4903: 11.625 in (29.5275 cm)
B4903S: 12 in (30.48 cm)
Diameter 1.44 in (36.576 mm)
Weight
B4903: .355 lbs (5.68 oz)
B4903S: .425 lbs (6.8 oz)
Material ABS Base/Stainless Steel Rod
Mounting Information Ground Plane
