Vertically polarized directional antenna.

Input 7/8″ EIA-flangeFrequency range 87.5 – 108 MHzVSWR < 1.3Gain (ref. λ/2-dipole) 4 dB at mid-bandImpedance 50 ΩPolarization VerticalMax. power 5 kWWeight approx. 35 kg Wind load approx. frontal: 800 N(at 160 km/h) lateral: 800 NMax. wind velocity 225 km/hDimensions A 1700 mm

B 1250 mm

Type No. 774 824

Material: Hot-dip galvanized steel.Radome: Fiberglass.

Mounting: To a vertical pipe of ∅ 89 mm by 2 pcs. U-bolts(supplied) or to proper flanges.Mounting dimensions upon request.

Grounding: Via mounting parts.

Ice protection: Even under icy conditions the antenna keepsoperating due to the radomes covering the feedareas.

Scope of supply: Antenna consisting of one half-wave dipole withreflector screen and 2 U-bolts.

Special features: The antenna is shipped dismounted.

Directional Antenna87.5 – 108 MHz774 824

936.

A97

3

Sub

ject

to a

ltera

tion.

KATHREIN-Werke KG . Anton-Kathrein-Straße 1 – 3 . P.O. Box 10 04 44 . D-83004 Rosenheim . Germany . Telephone (++49) 8031 / 184-0 . Fax (++49) 8031 / 184-991

Radiation Patterns (at mid-band)

in H-planeHorizontal Radiation Pattern

in E-planeVertical Radiation Pattern

3

10

0

140°

dB

3 dB

10

0

70°

B

A