WISCO International

Sinclair Technologies

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Exposed Dipole Arrays

SD222

The SD222 is a broadband gain antenna offering omnidirectional (3 dBd) or offset (6 dBd) coverage.
Because external cabling is used, the antenna pattern may be easily changed in the field.

SD224

The SD224 combines the excellent features of the SD222 and provides 6 dBd omnidirectional or 9 dBd offset gain.
As with the SD222, the SD224 pattern is easily field adjustable.

SPECIFICATIONS

Electrical

SD222

SD224

Frequency Range

MHz

132-174

Bandwidth (1.5:1 VSWR) MHz 10
Polarization dB Vertical
Pattern   Omnidirectional or Offset
Nominal Gain dBd 3 (Omni) / 6 (Offset) 6 (Omni) / 9 (Offset)
Horizontal Beamwidth (nom.)
(half power points)
Deg 170 (Offset)
Vertical Beamwidth (nom.)
(half power points)
Deg 34 16
Power Rating Watts 500
Lightning Protection   DC Ground
Termination   'N' Male
Note:1- VSWR is referenced to 50 Ohms
        2- Standard frequency ranges for these antennas include: 132-143, 136-148, 141-153,
            146-158, 150-163, 158-170, and 163-174.
Mechanical SD222 SD224
Height in (mm)

114 (2,896)

216 (5,486)

Weight lb (kg) 17 (7.7) 35 (15.9)
Rated Wind Velocity mph (km/h) 120 (193) 100(161)
Rated Wind Velocity with 0.5 in (12.7mm) radial ice mph (km/h) 80 (129) 75 (121)
Horizontal Thrust at rated wind velocity and ice load lb (kg) 65 (29.5) 116 (52.6)
Mounting Information Two clamps are provided to mount antenna on a 1.9 in (48.3 mm) to 2.38 in (60.3 mm) O.D support pipe
WISCO International, Inc. - MIAMI, FL U.S.A.
Fax: (954) 370-3997 | E-mail: wiscointl@wiscointl.com

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