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CXL 2-1/...

Base Station and Marine VHF Antenna

  • This base station and maritime VHF antenna is developed for use on board ships as well as on masts and thanks to the 1” revolving nut mounting system it can be mounted in the mast, in the auxilliary mast as well as on the cross-beam. By means of Procom’s flange mount it can also be mounted on deck or rooftop.

DESCRIPTION

  • Bear in mind that the higher the antenna is mounted the better coverage.
  • Avoid mounting the antenna parallel with and in the neighbourhood of other metal parts, such as mast, supporting wires etc. Free mounting and as high as possible is most preferable, otherwise the SWR and the radiation diagram will be influenced.
  • The antenna is a ½ λ design and this means that it needs neither loading coils, ground-plane, radials nor other auxiliary arrangements.
  • CXL 2-1/... can, without problems, operate with duplex radioes and on the semi-duplex channels, owing to the fact that it is broad-banded (see SWR diagram). In other words, CXL 2-1/... has a shipshape SWR on the RX-frequencies, which is just as important as it is for the TX-frequencies.
  • Furthermore, the antenna is a grounded radiator antenna and therefore it shows a DC-short across the coaxial cable.
  • A conical glass fibre tube completely encloses the carefully designed radiating element to assure long dependable service in all climates.

ORDERING DESIGNATIONS

TYPEPRODUCT NO.FREQUENCYCONNECTOR
CXL 2-1/s
CXL 2-1/l
CXL 2-1/h
110000297
110000119
110000123
138 - 156 MHz
146 - 165 MHz
155 - 175 MHz
"UHF"-female
CXL 2-1/s-N
CXL 2-1/l-N
CXL 2-1/h-N
110000298
110000121
110000124
138 - 156 MHz
146 - 165 MHz
155 - 175 MHz
"N"-female
CXL 2-1/s-TNC
CXL 2-1/l-TNC
CXL 2-1/h-TNC
110000299
110000118
110000126
138 - 156 MHz
146 - 165 MHz
155 - 175 MHz
"TNC"-female

SPECIFICATIONS

ELECTRICAL 
MODELCXL 2-1/...
ANTENNA TYPE½ λ coaxial dipol, broad-banded
FREQUENCYCXL 2-1/s: 138 - 156 MHz
CXL 2-1/l:  146 - 165 MHz
CXL 2-1/h: 155 - 175 MHz
IMPEDANCENom. 50 Ω
RADIATIONOmnidirectional
POLARIZATIONVertical
GAIN2 dBi 0 dBd
BANDWIDTH18 - 21 MHz depending on model
SWRCXL 2-1/s: 138 - 156 MHz≤ 1.5
CXL 2-1/l:  146 - 163 MHz≤ 1.5
                   146 - 165 MHz≤ 1.75
CXL 2-1/h: 156 - 174 MHz≤ 1.5
                   155 - 175 MHz≤ 1.75
MAX. POWER150 W
ANTISTATIC PROTECTIONAll metal parts DC-grounded
(Connector shows a DC-short)
MECHANICAL 
TEMP. RANGE-30°C → +70°C
CONNECTORUHF-female (standard)
WIND SURFACE0.018 m²
WIND LOAD25 N @ 160 km/h
MAX. WIND SPEEDTested to 200 km/h
IP RATINGIP 66
COLOURMarine white
MATERIALSShroud: Polyurethane-coated glass fibre
Mounting bracket: Chromed brass
TOTAL HEIGHTApprox. 1.21 m
DIA. IN TOP END8 mm
DIA. IN BOTTOM END16 mm
WEIGHTApprox. 300 g
MOUNTINGOn 1” RG (G1” - 11) threaded water pipe or
on optional mounting brackets (see below)

ACCESSORIES (to be ordered separately)

 

 


TYPICAL GAIN AND SWR CURVES

 

 

TYPICAL RADIATION PATTERN (E-PLANE)

 

 

TYPICAL RADIATION PATTERN (H-PLANE)

 

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