DSE3318LYRMK Rev 3/21
Directive Systems & Engineering
2702 Rodgers Terrace
Haymarket, VA 20169-1628
www.directivesystems.com
703-754-3876
33cm Loop Yagi (Rear Mount), Model DSE3318LYRMK
SPECIFICATIONS
Frequency Range:
890-910 MHz
Number of elements:
18
Boom Length:
72 inches
Boom diameter:
1 inch
Mast diameter:
2 inches
’ max
Weight:
3 lbs assembled
Connector:
Type N female
Gain:
16.5 dBi
3 dB Beamwidth (E Plane):
30°
F/B ratio:
>20 dB
Maximum Power:
550 W. average
Stacking Distance:
H Plane 21 1/2 in. vertical
E Plane 24 in. horizontal
PARTS LIST
Note: All hardware is Stainless Steel unless otherwise noted.
Anti-Seize Compound
- Apply a small amount of the supplied Anti-Seize Compound to the aluminum joints and
to the threads of the U-Bolts to prevent galling.
BEFORE INSTALLING YOUR NEW ANTENNA, PLEASE BE SURE
TO READ THE ENCLOSED WARNING PAMPHLET.
Quantity
Description
Quantity
Description
2
.058" x 1" Drilled boom
18
4-40 x 1 1/4” Screw
1
Boom to Mast "L" Bracket
18
4-40 Lock nut
2
Reflectors 1 & 2
2
8-32 x 1 3/8” Screw
1
Driven element
2
#8 Hex nut
10
Directors 1-10
2
#8 Split lock washer
5
Directors 11-15
1
Anti-Seize Compound
1
2" U-bolt with nuts & lock washers
2
1" Black End Cap
1
Saddle
1
Assembly Manual
1
Cable assembly w/connector
