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CXL 70-3/...

Marine AntennasCXL 70-3/...

3 dBd Gain Base Station and Marine UHF Antenna

Description

  • This colinear UHF antenna with 3 dBd gain 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 auxiliary mast as well as on the cross-beam. By means of Procom’s flange mount type “FLG”, it can also be mounted on deck or rooftop.
  • The CXL 70-3/… is in widespread use in connection with 450 MHz CELLULAR systems. The antenna makes it possible to extend the – normally land based – CELLULAR telephone system service for maritime use as well, and here the 3 dBd gain of the antenna comes to definite advantage.
  • 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 masts, supporting wires etc. Free mounting and as high as possible is most preferable, otherwise the VSWR and the radiation diagram will be influenced.
  • The antenna needs neither loading coils, ground-plane, radials nor other auxiliary arrangements.
  • 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.

Specifications

Electrical
Model CXL 70-3/...
Frequency CXL 70-3/ls : 340 - 360 MHz
CXL 70-3/s : 380 - 410 MHz
CXL 70-3/f : 406 - 430 MHz
CXL 70-3/l : 420 - 450 MHz
CXL 70-3/h: 440 - 470 MHz
Antenna Type Coaxial dipole, broad-banded
Max. Input Power 150 W
Polarisation Vertical
3 dB Beamwidth, E-Plane 30 °
3 dB Beamwidth, H-Plane Omnidirectional
Impedance 50 Ω
Gain 3 dBd (5.2 dBi)
VSWR < 1.5:1
Bandwidth 30 MHz
HCM Code(s) HCM000ND00, 015DE50
Mechanical
Connection(s) N(f)
Materials Shroud : Polyurethane-coated glass fibre
Mounting bracket : Chromed brass
Colour White (RAL 9003)
Wind Area 0.0337 sq. m / 0.36 sq. ft
Wind Load 43 N (160 km/h)
Dia. At Top End 16 mm / 0.63 in.
Dia. At Bottom End 23 mm / 0.91 in.
Height Approx. 1430 mm / 56.30 in.
Weight Approx. 1.2 kg / 2.65 lb.
Mounting On 1" RG (G1" - 11) threaded water pipe or on optional mounting brackets (see accessories )
Environmental
Operating temperature range -30 °C to +70 °C

Diagram and Mounting

ACCESSORIES (to be ordered separately)

TYPICAL GAIN AND SWR CURVES

TYPICAL GAIN AND SWR CURVES

TYPICAL RADIATION PATTERN (E-PLANE)

TYPICAL RADIATION PATTERN (H-PLANE)

Ordering Designations

Model Product No. Frequency
CXL 70-3/ls 100000750 340 - 360 MHz
CXL 70-3/s 110000141 380 - 410 MHz
CXL 70-3/f 110000140 406 - 430 MHz
CXL 70-3/l 110000142 420 - 450 MHz
CXL 70-3/h 110000139 440 - 470 MHz

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