OWNER’S MANUAL
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SIR4
LONG-HAUL TRUCK AND RV SATELLITE RADIO ANTENNA
Table Of Contents
About Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Applications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Parts For TERK SIR4 Truck Satellite Radio Antenna. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Recommended Tools. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Installation Precautions And Tips. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Limited Warranty. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Back Cover
About Installation
Installation of automotive audio components can require extensive experience with a variety of
mechanical and electrical procedures. Although the instructions in this guide explain how to install
the TERK SIR4 Truck Satellite Radio Antenna in a general sense, they do not show the exact
installation methods for your particular vehicle.
NOTE: Installation of the TERK SIR4 Truck Satellite Radio Antenna may cause mirror vibration and
hamper drivers rear-view image.
IMPORTANT: If you are not comfortable performing a complex installation, ask your local
mobile audio dealer about professional installation options.
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SIR4-Truck Satellite Radio Antenna
Introduction
This antenna is designed for long haul trucks that employ single arm Sirius Satellite Radio
applications. There are several methods of clamping this antenna to the long haul truck; Mirror
Mounting, Air Dam Shield Mounting, Flap Mounting to the trucks cab and any flat surface
accommodating the U-Bracket clamp style mounting.
Features
• Aerodynamic Antenna Assembly Design
• 21 feet of RG174 Coax Cable with Right-Angle SMB connector
• Ground Plane Independent Design
• Field Replaceable Sub-Assembly Components
• Robust Antenna Design to withstand Long Haul Truck Vibration Environments
• High Performance meets Sirius Satellite Radio Specifications
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Applications
The TERK SIR4-Truck Satellite Radio Antenna is designed with multiple install options. When using
the mirror mount bracket it can be installed on the driver side or passenger side rear view mirror
of a truck or RV as shown in Figure 1. When using the included U-bracket the antenna can be
mounted on the truck’s air dam shield, flap, or any flat surface that accommodates the U-bracket
clamp style mounting.
Figure 1. The TERK SIR4-Truck Satellite Radio Antenna is shown installed on the
horizontal driver’s side mirror support of a long-haul truck.
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