Directive Systems & Engineering DSE1209LYRM User manual

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DSE1209LYRMRev4/14

DirectiveSystems&Engineering

2702RodgersTerrace

Haymarket,VA20169‐1628

www.directivesystems.com

703‐754‐3876

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2400‐2500MHzLoopYagi,ModelDSE1209LYRM



SPECIFICATIONS

Frequency range: 2.40 to 2.50 GHz Gain: 11.5 dBi

Number of elements: 9 3 dB Beamwidth

Boom length: 12 inches (E plane): 35º

Boom diameter: 0.5 inches F/B ratio: >20 dB

Mast diameter: 1 1/2 in. max Maximum Power: 400 W average

Weight: (assembled) 1 pounds

Connector: Type-N female

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ASSEMBLYINSTRUCTIONS

1) Unpack antenna and locate the U-Bolt package.

2 Insert U-Bolt into rear mount bracket. Note that the bracket is installed for horizontal

polarization. (See drawing above.) Use alternate mtg holes for vertical polarization.

3) Attach the feed line, and tape it to the mast. The connector should be sealed with

electronic grade RTV, butyl rubber, or equivalent. Don't forget to seal the area where the .141"

semi rigid coaxial cable extends into the rear of the antenna connector.

4) Straighten any mis aligned elements and tighten hardware if necessary.

5) The antenna SWR has been adjusted at the factory for less than 1.5:1. Additional

tweaking can be accomplished by adjusting the distance between the driven element and R1

and D1, or by adjusting the shape of the driven element.

6) If antennas are to be stacked, see "Instructions For Stacking Loop Yagis".

Page|2

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DSE1209LYRMRev4/14

Directive Systems Warranty Policy

All Directive Systems antennas are built with the finest materials available. We take great pride in building a

quality product that will give years of good service and performance. If there is a defect in materials or

workmanship within 90 days of purchase, Directive Systems will repair or replace, free of charge, the

defective part. DO NOT RETURN ANYTHING WITHOUT PRIOR AUTHORIZATION FROM DIRECTIVE

SYSTEMS. Please contact us either by phone or email describing the problem and we will work to resolve it.

If, after examining a new antenna you received, you are not satisfied, contact us immediately for return

authorization and refund. ANY ANTENNA THAT HAS BEEN MODIFIED WILL BE SUBJECT TO A

RESTOCKING CHARGE. IF AN ANTENNA IS SO MODIFIED AS TO MAKE IT UNUSABLE, DIRECTIVE

SYSTEMS RESERVES THE RIGHT TO REFUSE TO ACCEPT THE ANTENNA FOR RETURN.

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