Tait TM9100 Installation Manual

Also see for TM9100: Installation guide Service manual User guide Safety information User guide

Contents

Tait TM9100 Installation Manual Manual pdf 18 page image

18 TM9100 (40W/50W) Installation Guide© Tait Electronics Ltd October 20042.5 Installing the AntennaIntroduction This section provides the information required for the installation of anexternal antenna within the RF exposure limits. For further informationrefer to the antenna manufacturer’s instructions.Warning!! RF exposure hazardTo comply with FCC RF exposure limits: VHF radios must be installed using an antenna mounted centrally on thevehicle roof, with a gain of 2.15dBi or 5.15dBi. UHF radios must be installed using an antenna mounted either centrallyon the roof with a gain of 2.15dBi or 5.65dBi, or centrally mounted onthe trunk with a gain of 5.65dBi.This antenna must not be mounted at a location such that any person orpersons can come closer than 35 inches (0.9m) to the antenna.Installing the Antenna Install the external antenna according to the antenna manufacturer’sinstructions. Good quality 50 Ω coaxial cable must be used, such as RG58or UR76.Connecting the Antenna Cable Important The cable must be routed in a manner that minimizes cou-pling into the electronic control systems of the vehicle.Important The cable must be routed in a manner that minimizes cou-pling of electric vehicle systems such as alternators into theradio.Important Protect the antenna cable from engine heat, sharp edges andfrom being pinched or crushed.1. Run the free end of the coaxial cable to the radio’s mounting positionand cut it to length, allowing approximately 8 inches (20 cm) excessat the radio end.2. Terminate the free end of the cable with the mini-UHF plugsupplied.