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Please read this user’s guide before

installing, setting up and using your new product

www.radioshack.com

Thank you for purchasing your HD Indoor/Outdoor Antenna 
from

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both analog and HDTV signals up to 50 miles away, and its 
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TV channels 2-13. Its 20” width makes it ideal for many 
mounting locations, such as a roof, sidewall, or attic.

15-2187

HDTV Indoor/Outdoor 

Directional Antenna

This product is warranted by RadioShack against manufacturing defects in material 

and workmanship under normal use for ninety (90) days from the date of purchase 

from RadioShack company-owned stores and authorized RadioShack franchisees 

and dealers. For complete warranty details and exclusions, check with your local 

RadioShack store. 

RadioShack Customer Relations

300 RadioShack Circle, Fort Worth, TX 76102   

 

04/04

Power Injector / AC Adapter

1 F-connector

1

Mounting Mast / 1 Base

4 Anchor Screws

4 Antenna Screws / Washers

2 Braces

2

Movement Bolts / 1 Pivot Bolt

3 Nuts

 Directional Antenna

User’s Guide

©2006. RadioShack Corporation.
All rights reserved. RadioShack and 
RadioShack.com are trademarks 
used by RadioShack Corporation.

15-2187

0406

Printed in USA

Install your antenna on the supplied mast using 
hand tools and the following items (available at 
RadioShack):
• 75-ohm coaxial cable (RG/6 recommended)
• Connection sealant tape or weather boot

Typical gain.....................................6.4 dB over UHF Band (Ch. 14-69)

Average UHF half-power beamwidth................................. 60 degrees

Average UHF Front-to-back ratio ................................................17 dB
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   Typical Gain ...............................................................................10 dB

   Noise Figure .............................................................................3.5 dB

Estimated Physical size...................................................18” x 20” x 4”
)07UDSÀ[HG ........................................................ 88-108 MHz, 20dB

Impedance.........................................................75 Ohms, Unbalanced

Power Requirement .......................................15V DC, 120V AC, 60 Hz

......................................................................... (with supplied adapter)

Weatherproof Housing Mounting

.........................................1¼” Outer Diameter Round Mounting Pipe

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6.

Mount the 

antenna on the mast. 
Face the front of the 
antenna vertically 
with the RadioShack
logo toward the TV 
stations, and tighten 
the four antenna 
screws.

4.

Attach the 

F-connector to 
the antenna. 
Attach the 
braces to the 
antenna’s 
mounting
brackets with 
the antenna 
screws and 
washers. Do 
not tighten the screws.

5.

Route 75-ohm coaxial cable 

through the mounting mast, and the 
mounting brackets. Then, connect 
it to the F-connector and seal the 
connection with sealant tape or a 
weather boot. 

1.

Choose a safe location on your 

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unexposed objects such as electric wires 
or pipes. Attach the base to the roof 
or side of the house using the anchor 
screws. You can mount the antenna 
outside, or inside your attic from a rafter 
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2.

Insert the mast into the base. Then, 

insert the pivot bolt through the base and 
mast, and attach a nut to the pivot bolt 

3.

Insert the two 

small movement bolts into the mast 
out through the curved opening on 
the base. Attach a nut to each bolt and 
tighten to lock the mast in place.

The cable between 
the power injector and 
antenna carries power 
to the antenna. Do not 
connect devices such 
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matching transformers, or 
300-ohm cables between 
the power injector and 
your antenna. These 
devices can cause a short. 

• Do not bend coaxial cable into less than a 3-inch radius. Tighter bends can cause shorts and change the 

cable’s impedance.

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round-headed staples. 

• Do not expose coaxial cable to a temperature greater than 176° F (80° C). Keep the cable away from 

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must seal connections and splices against water entry. 

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NOTES

This directional antenna is designed to receive UHF 
DTV signals and most close-in VHF DTV signals.

Freq. (Channels)

DTV

Analog

VHF (2-6)

up to 20 miles

up to 15 miles

VHF (7-13)

up to 40 miles

up to 35 miles

UHF (14-69)

up to 50 miles

up to 45 miles

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terrain. Surrounding structures, transmitting antenna height and 
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Mounting brackets

F-connector

pre-installation test

Before installing your antenna, connect the power injector to the antenna and TV, and plug in the AC adapter as described 
in “connecting your antenna.” Place the antenna away from trees or obstructions and face the front of the antenna vertically 
with the RadioShack logo toward the TV stations. After the test, disconnect your antenna and mount it.

1.

 Connect the coaxial cable from the 

antenna to the power injector’s ANT jack.

3.

 Plug the AC 

adapter into the power 
injector and into a 
standard AC outlet. 

2.

 Connect the power injector to your TV. 

If necessary, use a 75-to-300 ohm transformer 
(not supplied) or a signal splitter (not supplied).

When connected, 

the LED lights.

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