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DUAL ANTENNA CABLE ROUTING

NOTE: For the rear antenna installation refer to STEP 3

 

STEP 5: 

ANTENNA TUNING

5.1

 Using a VNA follow the tuning procedure below and measure at the end of the input cable 

before connecting to the radio.

5.2

 A VNA or Vector analyzer will give you performance results for specific

frequency ranges bandwidth and is a best choice for tuning the antenna.

NOTE: For dual antenna installation both antennas must be tuned independently 

and then connected with a power divider to the radio.

REMINDER: Put cap covers back on after antenna  

tuning is complete

TUNING TOOL

RADIO

REAR ANTENNA

INPUT CABLE

CABLE GOES THROUGH FIREWALL

TIE WRAP 

FRONT ANTENNA 

POWER DIVIDER

CONNECT TO VNA

(STEP 5)

Adjust the Left screw to the 

frequency

Adjust the Right screw for curve 

depth and frequency

Alternate between both screws 

for optimization

Remove cap covers

Summary of Contents for Sinclair StealthWave SHA211

Page 1: ...Series SHA211 VHF SHA311 UHF and SHA411 700 800 MHz INSTALLATION GUIDE Read the manual before you install or operate StealthWave Antenna Product Line StealthWave ...

Page 2: ...mended for an easier access and safety STEP 2 VEHICLE PREPARATION NOTE Install the antenna as high as possible from the ground 2 1 Remove any obstructions if required to access the interior eg bottom shield wheel well shield 2 2 Locate the antenna on a vehicle frame that is connected to the main body to ground the antenna tuning box BOTTOM SHIELD The antenna whip should reach an inside surface of ...

Page 3: ... in between tape and bumper NOTE The antenna performance depends on how vertical and how elevated the antenna whip is from the road surface STEP 4 CABLE ROUTING 4 1 Route the input cable through the engine compartment and firewall into the vehicle where the radio is located 4 2 Keep cables away from any moving parts 4 3 Secure all cables with tie wraps in the engine compartment NOTE Do not connect...

Page 4: ...th and is a best choice for tuning the antenna NOTE For dual antenna installation both antennas must be tuned independently and then connected with a power divider to the radio REMINDER Put cap covers back on after antenna tuning is complete TUNING TOOL RADIO REAR ANTENNA INPUT CABLE CABLE GOES THROUGH FIREWALL TIE WRAP FRONT ANTENNA POWER DIVIDER CONNECT TO VNA STEP 5 Adjust the Left screw to the...

Page 5: ... Product Line Series SHA211 VHF SHA311 UHF and SHA411 700 800 MHz This is a quick installation guide For a complete installation instructions tuning procedure or tuning procedure using a power meter please contact Sinclair Technologies at 1 800 263 3275 Copyright Sinclair Technologies Inc All rights reserved ...

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