Roof Mount Antenna
380 … 430 / 440 ... 470 MHz
K 70 57 2. .
Roof mount antenna with cable or soldering connection
Type No./Ord. No. 380 … 430 MHz
K 70 57 21 / 510 171
K 70 57 21 9 / 510 173
440 … 470 MHz
K 70 57 23 / 510 174
K 70 57 23 9 / 510 178
Connection
Antenna with soldering
5 m long cable
connection for cable
RG 058-PE
RG 058 or RG 213
(not included)
Gain (ref.
λ
/
4
whip)
380 ... 400 MHz: 2 dB
406 ... 430 MHz: 4 dB
440 ... 470 MHz: 4 dB
Max. power
50 W (at 50 °C ambient temperature)
Length
380 … 430 MHz: 600 mm
440 … 470 MHz: 540 mm
Material
Whip: Stainless steel
Swivel-joint and tuning disc: Chromated brass
Base: Weather resistant plastic
Tuning:
Via positioning the tuning disc the frequency can
be adjust
Mounting:
Bore hole 24 mm dia. recommended on the roof
of the car
Build-in depth: 14 mm
Exceptional features:
The butterfly bold can be replaced by the inclu-
ded philips screw
Extend of delivery:
Whip, base, key for the allan screw
Attention
Remove whip before entering a car wash!
Description
Type No. / Ord. No.
Whip (1) for K 70 57 21
K 70 57 21 04 1 / 510 172
for K 70 57 23
K 70 57 23 04 1 / 510 175
for K 70 57 21 9
K 70 57 21 04 1 / 510 172
for K 70 57 23 9
K 70 57 23 04 1 / 510 175
Base (2) with soldering connection
K 70 57 20 31 / 510 169
with cable
K 50 55 20 31 / 510 142
Tip protection (TP)
K 66 01 4 / 510 158
Swivel-joint elements* (4)
K 66 00 6 / 510 154
* Butterfly bold and philips screw and locking washer
Spare parts and accessories
1
24 mm dia.
4
TP
2
KATHREIN-Werke KG . Anton-Kathrein-Straße 1 – 3 . PO Box 10 04 44 . D-83004 Rosenheim . Germany . Tel49 8031 1 84-0 . Fax +49 8031 1 84-3 06
Internet: http://www.kathrein.de
936.102/b Subject to alteration.
K 70 57 21, K 70 57 23, K 70 57 21 9, K 70 57 23 9 Page 3 of 4
