Druckschrift 9981.0190, Broadcast Antenna Systems - Romkatel

K 53 33 5. .
Directional Antenna
174 – 254 MHz
● Vertically polarized broadband directional antenna
of hot-dip galvanized steel.
B
Type No. K 53 33 57K 53 33 58
Order No. 601 699 601 939
Input 7-16 female 7/8˝ EIA-flange
(type gas-stop)
Frequency range
174 – 254 MHz
VSWR < 1.1
Gain (ref. to λ/2-dipole)
11 dB at mid-band
Impedance
50 Ω
Polarization
Vertical
Max. power 2 kW 2.5 kW
(higher power upon request)
Weight
55 kg
Wind load (at 160 km/h)
frontal: 2.00 kN
lateral: 1.15 kN
Max. wind velocity
225 km/h
Packing size
2850 x 1350 x 500 mm
Material:
Hot-dip galvanized steel.
Weather protection: Fiberglass.
A: 2800 mm
B: 1300 mm
C: 400 mm
C
A
Mounting:
Ice protection:
Grounding:
Combinations:
By means of 8 screws M 16 x 80 to a suitable
construction.
Mounting hardware and mounting dimensions
upon request.
Even under severe icy conditions the antenna is
still functional due to its heavy-duty construction
and the fiberglass covers for the feeding points.
Via mounting parts.
The antenna is especially suitable as a
component in arrays to achieve various radiation
patterns.
Scope of supply: Antenna with 8 screws M 16 x 80.
Radiation Patterns (at mid-band)
64°
32°
10
10
3
0
dB
in H-plane
Horizontal Radiation Pattern
3
0
dB
in E-plane
Vertical Radiation Pattern
82