Mobile Load Coil Antenna Standard B4903 PREMIUM MOBILE LOAD COIL ANTENNAS ARE INDUSTRY STANDARD Laird Technologies’ 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 Technologies the obvious choice for quality and long lasting value for demanding mobile radio communications. FEATURES MARKETS • ⅝” wave design for true 3 dBi performance • Public safety • High performance mobile antenna operates on a 6” diameter (min.) ground plane • Utility • Transportation • Military mobile • Straight stainless steel • Easy installation with optional NMO Mounts • 100% tested on a network ANTENNA PATTERNS 0° 90° 270° 180° Elevation Polar Radiation Pattern 490 MHz Americas: +1.847 839.6907 [email protected] Europe: +44.1628.858941 [email protected] Asia: +86.21.5855.0827.127 [email protected] www.lairdtech.com Mobile Load Coil Antenna Standard B4903 SPECIFICATIONS ELECTRICAL MECHANICAL Frequency Range 490-512 MHz Gain 3 dBi VSWR < 1.5:1 Maximum Power 100 W 50 Ω Nominal Impedance Polarization Vertical Pattern Omnidirectional Coaxial Cable Length & Type (For Vertical Polarization) Terminations 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 None NMO style MODEL AND ORDERING INFORMATION 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 ANT-DS-B4903 111114 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. 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.