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Title Page

Spectrum Series™

Base Loaded Mobile Antennas

Installation Manual

Motorola Inc. 1301 E. Algonquin Rd., Schaumburg, IL 60196-1078, U.S.A.

6880309C12-F

Foreword

This manual applies to mobile radios, unless otherwise specified. It includes instructions for installing antennas in a vehicle roof-top configuration.

Product Safety and RF Exposure Compliance

Before using this product, read the operating instructions for safe usage contained in the Product Safety and RF

C a u t i o n

This radio is restricted to occupational use only to satisfy FCC RF energy exposure requirements. Before using this product, read the RF energy awareness information and operating instructions in the Product Safety and RF Exposure booklet enclosed with your radio (Motorola Publication part number 6881095C99) to ensure compliance with RF energy exposure limits.

For a list of Motorola-approved antennas, batteries, and other accessories, visit the following website: http://www.motorola.com/governmentandenterprise

Document Copyrights

No duplication or distribution of this document or any portion thereof shall take place without the express written permission of Motorola. No part of this manual may be reproduced, distributed, or transmitted in any form or by any means, electronic or mechanical, for any purpose without the express written permission of Motorola.

Exposure booklet enclosed with your radio.

ATTENTION!

Disclaimer

The information in this document is carefully examined, and is believed to be entirely reliable. However, no responsibility is assumed for inaccuracies. Furthermore, Motorola reserves the right to make changes to any products herein to improve readability, function, or design. Motorola does not assume any liability arising out of the applications or use of any product or circuit described herein; nor does it cover any license under its patent rights nor the rights of others.

Trademarks

MOTOROLA, the Stylized M logo, and ASTRO are registered in the US Patent & Trademark Office. All other products or service names are the property of their respective owners. © 2000 – 2010 by Motorola, Inc.

Spectrum™ Series Base Loaded Mobile Antennas

Manufactured by Motorola

• Antenna Installation

• Mounting Instructions

• Cutting Charts

• Replacement Parts

• Connector Instructions

Important

Introduction

Thank you for selecting the Spectrum mobile antenna. The Spectrum antennas have been designed to withstand demanding and rugged environments. During the design phase, the antennas are put through extensive Accelerated Life Testing (ALT), which simulates years of in-field service. As a result, potential problems are designed out, helping to ensure that the antennas which you receive can give you years of dependable performance.

Important

Motorola Communications Part Division 1313 E. Algonquin Road Schaumburg, Illinois 60196 To order, Call Toll-Free: 1 - 800- 422 - 4210

DANGER

Read all instructions carefully before starting the installation.

Antenna contact with high voltage wires may result in death from electrocution.

Since April 3, 1994, the warranty on Spectrum antennas have been changed to one year. Motorola manufactured Spectrum antennas are warranted to be free from defects in workmanship and materials for a period of (1) one year from the date of shipment.

Before You Start

Roof Mount Safety Precautions and Problem Prevention – for Motor Vehicle Use only

Safe Antenna Installation

Be sure to mount the antenna on a horizontal surface to keep the antenna as vertical as possible, thus preventing the

C a u t i o n

antenna from protuding beyond the vehicle and causing bodily injury and/or property damage.

2 Introduction

Entering Garages

Remove the antenna from the vehicle when entering a garage to prevent damage to the vehicle and the antenna whip/ball

C a u t i o n

from damaging overhead light fixtures and garage doors.

Automatic Car Wash

Remove the entire antenna from the vehicle before entering the automatic car wash to prevent damage to the antenna and vehicle. The antenna mount contact must be wiped dry to

C a u t i o n

prevent moisture from damaging the contact.

Installation

Where to Mount the Antenna

General

Motorola recommends that mobile antennas be located as follows:

Recommended Antenna Location

Standard Metal Passenger vehicles Recommended Location

Standard metal passenger vehicles Center roof or center trunk lid

Vans, pickups, and other light trucks (metal roofs)

Heavy duty equipment with metal roofs (heavy duty trucks, semi-tractors, heavy refuse trucks, cement mixer trucks)

Specialty vehicles (such as T-roofs, sun roofs, or convertibles)

Other vehicles Contact your Motorola Field Technical

Center roof

Center cab roof

Center trunk lid–recommended only for transmitter output of less than 7 W.

Representative.

Select a location for the antenna as near the center of the roof as possible. Probe the headlining with your fingers to make sure that all points of obstruction are avoided.

Mobile Antenna Installation 3

Mobile Antenna Installation

Mobile Radio Operation and EME Exposure

Observe the following caution and electromagnetic energy exposure (EME) statements when installing antennas:

Use caution when installing antennas with mobile radio equipment using transmitter powers in excess of 7 W.

C a u t i o n

NOTE: For low power mobile radios (7 W or less), there are no antenna type or installation

restrictions.

To assure optimal radio performance and that human exposure to radio frequency electromagnetic energy is within the guidelines references in this document, transmit only when people outside the vehicle are at least the minimum distance away from a properly installed, external mounted antenna.

Table 1 lists the minimum distance from several different ranges of rated radio power.

Rated Power of Vehicle-installed

Mobile Two-Way Radios

7 to 15 Watts 1 foot (30.5 cm)

16 to 50 Watts 2 feet (61 cm)

More than 50 Watts 3 feet (91.5 cm)

Selecting an Antenna Site

1. Install the vehicle antenna external to the vehicle and in accordance with the requirements of this documents.

2. The best mounting location for the antenna is at the center of a large, flat, conductive surface. In almost all vehicles, mounting the antenna in the center of the roof will satisfy these requirements. A good alternative location is in the center of the trunk lid. If you use the trunk lid, ensure that the trunk lid is grounded by connecting groundling straps between the trunk lid and the vehicle chassis.

3. Ensure the antenna cable can be easily routed to the radio. Ensure that the antenna cable is routed separately and not in parallel to any other vehicle wiring or mobile radio cable wiring.

4. Check the antenna location for any electrical interference.

NOTE: Any two metal pieces rubbing against each other, such as seat springs, shift levers, trunk and hood lids,

exhaust pipes etc.) in close proximity to the antenna can cause severe receiver interference.

5. If the vehicle is equipped with an electronic anti-lock braking system (ABS), and the antenna will be trunk mounted, then install the antenna on the side opposite to the braking modulator box. This minimizes radio interference to the modulator box from the radio.

6. Make sure the mobile radio antenna is installed at least one foot (30.48 cm) away from any other antenna on the vehicle.

Table 1 Rated Power and Distance

Minimum Distance from Transmitting Antenna

4 Mobile Antenna Installation

Antenna Assembly Instructions

If antenna mount has not been installed, refer to the Antenna Mount Installation instructions. Assemble the antenna assembly (except the whip) onto the mounting base as shown in Figure 1.

1. Place the lock washer on stud loading coil/base housing.

2. Assemble either the standard duty or heavy duty spring adaptor to the base housing assembly by threading onto the housing stud with lock washer already in place.

3. Hand tighten the adaptor until the lock washer is fully compressed.

4. Press rubber gasket onto the bottom of the coil housing.

5. Do not insert the antenna whip into the antenna adaptor at this time. Refer to the Tuning the

Antenna section on page 1-12 for further instructions.

Whip 01-80358A37 406 – 420 MHz 01-80358A38 445 – 470 MHz 01-80358A39 470 – 494 MHz 01-80358A40 494 – 512 MHz

Standard Duty Whip Adapter

58-80368B32

Lock washer

04-80378B70

Loading Coils/Base housing 01-80358A86 30 – 36 MHz 01-80358A87 36 – 42 MHz 01-80358A88 42 – 50 MHz 01-80358A89 66 – 88 MHz 01-80358A90 136 – 174 MHz 01-80358A91 406 – 512 MHz Heavy Duty Spring 01-80358A92 406 – 512 MHz Standard Duty

Whip

47-80369B56 30 – 174MHz

Set Screw

03-80374B24

Heavy Duty Spring

01-80373B34

Rubber Gasket

32-80369B53

Figure 1.

Mobile Antenna Installation 5

Antenna Mount Installation Instructions

Roof (Permanent 3/4” Hole) Mount Instructions

Tools Required:

• Safety glasses

• Hole saw (Motorola part # RPX-4378A)

• 15/16” open-end wrench

• Solder, 60/40 rosin flux

• Crimp tool, Motorola part # 66-80388A26 (Mini-UHF Connector only)

• Electric drill

• Spanner wrench, Motorola part # 66-80371A75

• Soldering iron, 40 – 75 watts

1. Drill a 3/4” hole in the vehicle with antenna hole cutting saw, Motorola part # RPX-4378A, and remove all burrs. The antenna hold saw will remove paint in a narrow ring around hole to assure good metal contact between vehicle and mount.

2. Apply generous amounts of silicon grease to inner and outer threads of brass lock nut. Feed coaxial cable and mount through hole as shown in Figure 2.

Figure 2.

3. Thread locking nut onto mount and pull up mount base to properly align in hole. While pulling up, finger tighten the locking nut against roof top as show in Figure 3.

MAEPF-27629-O

Figure 3.

6 Mobile Antenna Installation

43-83881B01 (Plated)

Holes for holding the Bushing

Locking Nut

O-Ring

42-83940B01

with Long Nose Pliers

Bushing Assembly

Cap Insulator

Cable

Car Roof

Paint removed in Ring

Figure 4.

4. Insert spanner wrench, part # 66-80371A75 or the tops of a needle nose pliers in bushing assembly to prevent mount assembly from slipping. Use a 15/16” open-end wrench to tighten locking but firmly against vehicle surface. The locking nut must be in contact with vehicle metal to ensure proper antenna radiation. See Figure 4.

Trunk Lid Mount Installation

1. Trunk lid mount may be placed at the center of trunk lid near the rear window, or to the side, preventing the antenna from hitting the rear window when raising the trunk lid. Be sure the coaxial cable is not pinched under the mount clamp bracket. Refer to Figure 5.

2. Using the allen wrench supplied, tighten the set screws clockwise until the set screws break through the paint, creating a good contact.

Figure 5. Coaxial Cable Insertion

Mobile Antenna Installation 7

3. Route coaxial cable from the trunk lid to the radio.

Magnet Mount Installation

Do not use magnet mount on vinyl roofs, magnet mount will not properly hold the antenna on vehicle because holding power is

W A R N I N G

1. Remove all dirt and grime that will prevent magnet mount from seating securely.

2. Place magnet mount in final position. Sliding the mount may scratch paint surface.

3. Route coaxial cable to the radio,. Refer to Figure 6.

reduced. Magnet mount will not “hold on” to aluminum and nonmetallic surfaces.

Figure 6. Magnetic Mounted Base

Connector Installation

Before installing the connector, cut off any excess length of cable (at the radio end) to avoid unnecessary signal loss. When the necessary preparations have been made, install the connector using the following steps:

UHF Connector (Motorola part # 28-82021G01)

1. Disassemble the connector as shown in Figure 7A.

2. Cut off end of cable squarely and remove 3/4” of vinyl jacket. Refer to Figure 7B.

3. Slide coupling ring and adaptor on cable as in Figure 7C.

4. Fan braid slightly and fold back as shown in Figure 7D.

5. Position adaptor to dimension as shown in Figure 7E. Press braid back over body of adaptor and trim to 3/8”. Base 5/8” of conductor. Tin exposed center conductor. Add teflon washer for

470 MHz and higher.

Use a hot soldering iron. DO NOT USE EXCESSIVE HEAT OR SOLDER. Solder quickly to avoid melting surrounding

C a u t i o n

insulation.

8 Mobile Antenna Installation

6. Screw adaptor to the body of plug assembly. Solder braid to body of plus assembly through holes. Solder center conductor of cable to plug contact of plug assembly. Refer to Figure 7F.

7. For final assembly, screw coupling on plug assembly.

8. Connect cable to antenna connector on radio set. Tighten coupling ring cross section of final assembly as shown in Figure 7G.

NOTE: Coupling ring and plug sub assembly comprise of Motorola part number: 28-82021G01.

TEFLON Washer (470MHZ and higher) 04-84506K01

Coupling Ring

Adapter 58-854020

Plug Sub-Assembbly

3” 4

Adapter

TEFLON Washer (470MHZ and higher) 1/8” of Exposed Insulation for Lower Frequencies

3” 4

3” 8

5” 8

Figure 7.

Mobile Antenna Installation 9

Mini-UHF Connector Installation #28-84606M01

Installation Instructions

Use Motorola tool part # 66-80388A26 (Refer to Figure 8).

1. Slip ferrule and collar onto cable. See Figure 10.

2. Prepare cable to strip dimensions as per Figure 11.

3. Insert stripped cable into plug body until conductor is exposed (front end) and dielectric bottoms inside body. See Figure 10.

4. Crimp center contact using crimp area C of Figure 8 . Crimp at base of center contact, avoid crimping at the tip. Refer to Figure 9.

5. Push collar forward onto plug assembly. Fit cable braid over support sleeve of connector. See

Figure 10.

6. Push ferrule over braid until flange butts against connector body. Refer to Figure 10. Using the correct crimp area of tool, crimp ferrule close to plug body. Crimp ferrule for a second time close to cable end.

7. Protuding center conductor should be trimmed with end of center contact.

FIVE CRIMP AREAS

A B

.256

.319

C D

.051 .068

.213

Figure 8. Motorola Crimping Tool 66-80388A26

10 Mobile Antenna Installation

Base of Pin

Suggested Crimp Area

Tip of Pin

2 mm

Figure 9. Coaxial Cable Stripping Dimensions

Flared

Braid

Connector

Body

Ferrule

Cable Inserted into

Connector Body

Protruding

Center

Conductor

Crimp Center

Contact after

Inserting Cable

Collar Slipped

Forward over

Connector Body

Figure 10.

Collar

Push Ferrule Forward

over Braid. Flange

Butts against Connector

Body. Crimp Ferrule to

Complete Crimp

MAEPF-27622-O

Mobile Antenna Installation 11

Frequency MHz Gain Duty

30 – 36 0 dB Standard 100

36 – 42 0 dB Standard 100

42 – 50 0 dB Standard 100

30 – 36 0 dB Heavy 100

36 –42 0 dB Heavy 100

42 – 50 0 dB Heavy 100

66 – 88 0 dB Standard 100

140 – 174 3 dB Standard 150

140 – 174 3 dB Heavy 150

406 – 420 5 dB Standard 150

445 – 470 5 dB Standard 150

470 – 495 5 dB Standard 150

495 – 512 5 dB Standard 150

406 – 420 5 dB Heavy 150

450 – 470 5 dB Heavy 150

470 – 496 5 dB Heavy 150

496 – 512 5 dB Heavy 150

406 – 420 5 dB Heavy 150

450 – 470 5 dB Heavy 150

470 – 496 5 dB Heavy 150

Figure 11.

Table 2 Spectrum Antennas

Max Power

Watts

Antenna Only Roof Mount Kit Trunk Lid Mount Kit Magnet Mount Kit

RAB-4002A RAB-4002ARA * * RAB-4002AMA

RAB-4003A RAB-4003ARA * * RAB-4003AMA

RAB4004A RAB-4004ARA * * RAB-4004AMA

RAB-4012A RAB-4012ARA * * RAB-4012AMA

RAB-4013A RAB-4013ARA * * RAB-4013AMA

RAB-4014A RAB-4014ARA * * RAB-4014AMA

RAC-4000A RAC-4000ATA * * RAC-4000AMA

RAD-4000A RAD-4000ARA RAD-400DATA RAD-4000AMA

RAD-4010A RAD-4010ARA RAD-401DATA RAD-4010AMA

With RG58 A/U Cable With RG58 A/U Cable With RG58 A/U Cable

RAE-4002A RAE-4002ARA RAE-4002ATA RAE-4002AMA

RAE-4004A RAE-4004ARA RAE-4004ATA RAE-4004AMA

RAE-4005A RAE-4005ARA RAE-4005ATA RAE-4005AMA

RAE-4006A RAE-4006ARA RAE-4006ATA RAE-4006AMA

With Low Loss Cable With Low Loss Cable

* * RAE-4002ARL RAE-4002ATL * *

* * RAE-4004ARL RAE-4004ATL * *

* * RAE-4005ARL RAE-4005ATL * *

* * RAE-4006ARL RAE-4006ATL * *

With RG58 A/U Cable With RG58 A/U Cable With RG58 A/U Cable

RAE-4012A RAE-4012ARA RAE-4012ATA RAE-4012AMA

RAE-4014A RAE-4014ARA RAE-4014ATA RAE-4014AMA

RAE-4015A RAE-4015ARA RAE-2015ATA RAE-4015AMA

Dim. A = 15/16" Dim. B = 19/32" Dim. C = 19/64"

MAEPF-27623-O

12 Mobile Antenna Installation

Table 2 Spectrum Antennas (Continued)

Frequency MHz Gain Duty

496 – 512 5 dB Heavy 150

406 – 420 5 dB Heavy 150

450 – 470 5 dB Heavy 150

470 – 496 5 dB Heavy 150

496 – 512 5 dB Heavy 150

NOTE: All antenna mount kits include RG58A/U Cable and PL259 Connector, except cable option that is listed otherwise. ** For low and

Mid Band Trunk lid mount kits, order antenna only and trunk lid mounting kit (01-80356A55) separately.

PART NUMBER ANTENNA MOUNTS

01-80352A03

01-80356A55

01-80356A47

01-80371A27

Roof Mount Kit, RG58A/U Cable, PL259 connector

Trunk Lid Mount, RG58A/U cable, PL259 connector

Magnet Mount RG58A/U cable, PL259 connector

Magnet Mount RG58A/U Cable PL259 connector, low band only

Tuning the Antenna

Max Power

Watts

Antenna Only Roof Mount Kit Trunk Lid Mount Kit Magnet Mount Kit

RAE-4016A RAE-4016ARA RAE-4016ATA RAE-4016AMA

With Low Loss Cable With Low Loss Cable

* * RAE-4012ARL RAE-4012ATL * *

* * RAE-4014ARL RAE-4014ATL * *

* * RAE-4015-ARL RAE-4015ATL * *

* * RAE-4016ARL RAE-4016ATL * *

Adjusting the whip length while radio is keyed may cause burns from RF radiation.

W A R N I N G

NOTE: Tune antenna in an open area at least 12 feet away from any metal objects.

NOTE: Lengths shown on the cutting chart are approximate. Due to antenna variations and mounting

location effects, we recommend cutting the antenna rod 1 1/2” longer than the chart and then cutting 1/2” off at a time until reflected power is minimized.

NOTE: DUE TO ANTENNA INTERACTION WITH VEHICLE, SOME LOW BAND ANTENNA

MOUNTING LOCATIONS WILL NEVER ACHIEVE 1.5:1 VSWR. In this case, trim the whip for minimum reflected power. A simple table for converting the radio of forward power and reflected power to VSWR is shown below in Tabl e 3 .

1. Locate the transmitter frequency on the cutting chart. In the case of multiple transmitter frequencies, calculate the mid-frequency and locate on cutting chart. Read desired whip length from the chart. Cut the whip 1 1/2” longer than this length.

NOTE: Trim the antenna rod (Low and High band) from the bottom only. On the UHF antenna whip,

trim the whip from the bottom of the rod below the phasing coil.

2. Use the set screw to secure the antenna whip in the whip adaptor assembly.

3. Using the in-line wattmeter, measure forward and reflected power at the desired transmit frequency and calculate VSWR using Tab l e 3.

4. If VSWR is >1.5:1, then trim off 1/2” and repeat Step 3.

5. Repeat steps 3 and 4 until minimum VSWR is obtained.

Mobile Antenna Installation 13

6. Use the adjustment range of the whip in the adaptor in order to minimize the VSWR.

7. Insert the shorter part of the allen wrench into the screw and tighten the set screw at tight as yo can by hand. If a torque wrench is available, tighten set screw to a torque of 25 – 30 inchlbs.

A simple table for converting the ratio of forward power and reflected power to VSWR is given below:

Table 3

Pfwd/Pref VSWR

440.6 1.1 : 1

58.8 1.3 : 1

25.0 1.5 : 1

14.9 1.7 : 1

10.4 1.9 : 1

7.9 2.1 : 1

Example: If the forward power (Pfwd) is measured as 100 watts and the reflected power (Pref) is 3 watts, calculate Pfwd/Pref = 33.3. Since 33.3 is between 25 and 58.8 m, the chart above indicated that the VSWR is less than 1.5 : 1.

14 Spectrum™ by Motorola

Spectrum™ by Motorola

Cutting chart lengths are approximate. Whip length will wary with type of vehicle, mount location

and type of mount. Cut 1-1/2 inches longer than chart length, then trim for minimum reflected power.