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General Description

Yagi and Omni Antennas 

Federal Signal www.fedsig.com

General Description

Introduction

This publication covers the installation of the Yagi and Omni Fiberglass Antennas.

Ordering Information

Table 1 Ordering Omni Antennas

Part Number Frequency

OMNI-0

138-140 MHz

OMNI-1

140-144 MHz

OMNI-2

144-148 MHz

OMNI-3

148-152 MHz

OMNI-4

152-156 MHz

OMNI-5

156-162 MHz

OMNI-6

162-168 MHz

OMNI-7

168-174 MHz

OMNI-15

450-460 MHz

OMNI-16

460-470 MHz

Table 2 Ordering Omni-B Series Antennas

Part Number

Description

Frequency

OMNI-BVL-xx

VHF Low, Omni-Directional Antenna

> 138-150 MHz

OMNI-BVH-xx

VHF High, Omni-Directional Antenna

> 150-168 MHz

OMNI-BVH-xx

VHF High, Omni-Directional Antenna

> 168-174 MHz  

OMNI-BUL-xx

UHF Low, Omni-Directional Antenna

> 380-420 MHz  

OMNI-BUH-xx

UHF High, Omni-Directional Antenna

> 420-470 MHz  

OMNI-BUH-xx

UHF High, Omni-Directional Antenna

> 806-824 MHz   

OMNI-BUH-xx

UHF High, Omni-Directional Antenna

> 851-869 MHz  

Where xx stands for the following:

•  NC = No RF cable

•  10 = 10-foot RF cable

•  35 = 35-foot cable

Table 3 Determining Maximum Reflected Power

Part Number

Frequency

Max. Reflected Power*

OMNI-BVL-xx

> 138-150 MHz

15%

OMNI-BVH-xx

> 150-168 MHz

15%

OMNI-BVH-xx

> 168-174 MHz  

20%

OMNI-BUL-xx

> 380-420 MHz  

20%

OMNI-BUH-xx

> 420-470 MHz  

16%

OMNI-BUH-xx

> 806-824 MHz   

11%

OMNI-BUH-xx

> 851-869 MHz  

5%

OMNI-0 through OMNI-16

10%

*Including 35-foot cable

Содержание YAGI-1

Страница 1: ...Installation Manual 25500445 Rev A1 0923 Printed in U S A Copyright 2018 2023 Federal Signal Corporation Yagi and Omni Antennas...

Страница 2: ...all 1 708 534 3400 This limited warranty is in lieu of all other warranties express or implied contractual or statutory including but not limited to the warranty of merchantability warranty of fitness...

Страница 3: ...ure 1 Yagi Antenna Installation Example 10 Figure 2 Omni Antenna Installation Example 11 Figure 3 Omni B Series Antenna Installation Example 12 Figure 4 Antenna Grounding 13 Figure 5 Typical Antenna P...

Страница 4: ...ite for the siren is not selected properly or the siren is not installed properly it may not produce the intended optimum audible warning Follow Federal Emergency Management Agency FEMA recommendation...

Страница 5: ...er including batteries before working near the siren After installation service or maintenance test the siren system to confirm it is operating properly Test the system regularly to confirm that it wi...

Страница 6: ...na 138 150 MHz OMNI BVH xx VHF High Omni Directional Antenna 150 168 MHz OMNI BVH xx VHF High Omni Directional Antenna 168 174 MHz OMNI BUL xx UHF Low Omni Directional Antenna 380 420 MHz OMNI BUH xx...

Страница 7: ...d the antenna s gain to the radio power and subtract VSWR loss and cable connector insertion losses Consider the following guidelines Do not have the antenna radiating element touching anything If too...

Страница 8: ...ough the boom starting with R1 the reflective element in the hole closest to the mounting holes Then insert Dr D1 etc in that order NOTE A The shortest element is furthest away from the mount and incr...

Страница 9: ...ntenna and check for the low VSWR while performing each of the following steps A Loosen the setscrew with the hex key provided and slightly adjust the aluminum gamma tube for the lowest VSWR Reflected...

Страница 10: ...nd the antenna affect the antenna Keep the antenna pointed away from objects 2 Ensure the antenna cable connections are tight Seal all connection points with heat shrink or tape and seal with Scotchko...

Страница 11: ...k or tape and seal with Scotchkote or equivalent 3 Apply RF power to the antenna on the site s transmit frequency and verify that the VSWR Reflected power is within the antenna s specification Record...

Страница 12: ...Antennas Yagi and Omni Antennas Federal Signal www fedsig com Figure 3 Omni B Series Antenna Installation Example Omni B Series Antenna Antenna Mounting Bracket Ground Wire Utility Pole Tighten Set Sc...

Страница 13: ...ELECTRICAL CODE INSTRUCTIONS REFER TO N E C FOR COMPLETE INSTRUCTIONS A USE NO 10 AWG COPPER NO 8 AWG ALUMINUM NO 17 AWG COPPER CLAD STEEL OR BRONZE WIRE OR LARGER AS GROUND WIRE FOR BOTH MAST AND LEA...

Страница 14: ...cing any difficulties contact Federal Signal Customer Support at 800 548 7229 or 708 534 3400 extension 7511 or Technical Support at 800 524 3021 or 708 534 3400 extension 7329 or through e mail at te...

Страница 15: ...15 Figure 5 Typical Antenna Pole Mount AMP P Installation...

Страница 16: ...16 Figure 6 Typical Antenna Wall Mount AMP W Installation...

Страница 17: ...17 Figure 7 Typical Omni B Series Antenna Pole Mount AMB P Installation...

Страница 18: ...18 Figure 8 Typical Omni B Series Antenna Pole Mount AMB P Installation...

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