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Roof mount antenna
K 50 66 42 1 / Ord. No. 510 335, 720 895 / Ord. No. 510 494
4 m band / 2 m band
•
Antenna for duplex operation in the 2 m band and the 4 m band
Type No. / Ord. No.
Frequency range
Gain (ref. quarter-wave whip)
Decoupling
Max. load
Built-in depth
Max. diameter at base
Tuning case dimensions
Length
Connection:
By means of two plugs M11 x 1.
K 50 66 42 1: For cable RG 213.
720 895:
Tuning:
By means of two trimmers the antenna can be fine-
tuned to optimum voltage standing wave ratio in the
given frequency range.
Material:
Whip and spring: Stainless steel.
Swivel-joint parts: Chromium-plated brass.
Tuning case: Nickel-plated brass.
Base: Weather resistant plastic.
Mounting:
In bore hole 12 mm diameter. Distance to the end
of the roof: 30 – 50 mm (one-handed installation).
Contents of delivery:
Whip, base tuning box, 2 connectors.
Special features:
The non-loosable swivel-joint screw may be repla-
ced by the supplied philips screw.
Remove the whip of the antenna each time before you enter a car-wash.
Caution
Components
Description
Whip
Connector M 11 x 1
for RG 213
for RG 058
Swivel-joint elements *
Tip protection
* butterfly bolt and philips screw and locking washer
Page 2 of 4
720 895, K 50 66 42 1
KATHREIN-Werke KG . Anton-Kathrein-Straße 1 – 3 . PO Box 10 04 44 . D-83004 Rosenheim . Germany . Telephone +49 8031 1 84-0 . Fax +49 8031 1 84-3 06
K 50 66 42 1 / 510 335
720 895 / 510 494
2 m band: 167.5 – 169.5 / 172 – 174 MHz
4 m band: 74.215 – 77.655 / 84.015 – 87.455 MHz
In both ranges: 0 dB
> 30 dB
20 W (at 50 °C ambient temperature)
16 mm
38 mm
Diameter 88 mm, height 16 mm
915 mm (must not be changed)
For cable RG 058.
Type No. / Ord. No.
K 50 47 40 41 / 510 300
K 62 10 0 / 510 133
K 62 05 1 / 510 132
K 66 00 6 / 510 154
K 66 01 9 / 510 159
Internet: http://www.kathrein.de
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