Installation Instructions
Table Of Contents
- Foreword
- Product Safety and RF Exposure Compliance
- Before using this product, read the operating instructions for safe usage contained in the Product Safety and RF Exposure booklet enclosed with your radio.
- ATTENTION!
- 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 wi...
- For a list of Motorola-approved antennas, batteries, and other accessories, visit the following website: http://www.motorola.com/governmentandenterprise
- Document Copyrights
- Disclaimer
- Trademarks
- VHF Vehicle Roof-Top Antennas HAD4021A HAD4022A
- Installation Manual
- Introduction
- Tuning Instructions for the HAD4022A Gain Antenna
- FCC Requirements
- Motorola Recommendations for Vehicle Roof-Top Antenna Locations
- Required Tools and Materials
- Installation Procedure
- Connector Fabrication (Mini-UHF)
- Tuning Chart for HAD4022A
- Product Safety and RF Exposure Compliance
Motorola Recommendations for Vehicle Roof-Top Antenna Locations 3
Consider the following factors when installing an antenna.
• Install the vehicle antenna external to the vehicle and in accordance with the requirements
contained in this manual.
• The best mounting location for the antenna is in 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 choose to use
the trunk lid, ensure that the trunk lid is grounded by connecting grounding straps between the
trunk lid and the vehicle chassis.
NOTE: The antenna should be mounted on a flat metal roof with a thickness of 0.020 to 0.040
inches.
• 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.
• 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.
• If the vehicle is equipped with an electronic anti-lock braking system (ABS), mount the antenna
at the center of the roof or trunk lid and do not route the antenna cable near the ABS modulator
box. Mount the radio as far away from the modulator box as physically possible. This minimizes
radio interference to the modulator box from the radio.
• Make sure the mobile radio antenna is installed at least one foot (30.48 cm) away from any
other antenna on the vehicle.
Other vehicles Contact your Motorola Field Technical
Representative. Do not install closer than the
distances stated in the safety publication
referenced in the section, “ Product Safety and RF
Exposure Compliance” on page ii, for the relevant
transmitter output power, from occupants or without
proper antenna ground plane.
Table 1. Recommended Antenna Installation Locations (Continued)
Vehicle Type Recommended Location