DSEH12-27 Rev 4/21
Directive Systems & Engineering
2702 Rodgers Terrace
Haymarket, VA 20169-1628
www.directivesystems.com
703-754-3876
2200-2500 MHz Circular Polarized Antenna, Model DSEH12-27
SPECIFICATIONS
Frequency range:
2200 to 2500 MHz
Gain:
18.1 dBic
Polarization
:
RHCP (Circular) STD.
3 dB Beamwidth
Number of turns:
27
(Circular):
20º
Helix length:
34 inches
F/B ratio:
≥
16 dB
Mast diameter:
2 in. max
Maximum Power:
100 W average
Weight:
5 pounds
Connector: Type-N female
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.
ASSEMBLY INSTRUCTIONS
1)
Unpack antenna and locate the U-bolt /Hardware package.
2)
Install the U-bolts (2) on the 8" x 8" back mounting plate using the saddles, 5/16" hex-
nuts and split washers provided. (See drawing above.)
3) Attach the antenna to your support mast. The antenna is Right hand circular, and does
not require any specific orientation for maximum reception other than to point it in the correct
