RFI UHF 4dB 380-440MHZ Mopole Antenna Stud Mount with 5m Cable No Connector

$77.00
In stock
Only 2 left
MPN 
CD51-65-73
SKU
RFI-CD51-65-73
RF Industries (RFI)

$9 DELIVERY
 

 
On all Australian orders

When the CD51-65-70 gets mounted on a vehicle gutter or similar position, these UHF Mopoles provide optimum performance with a largely omni-directional pattern.

Due to the low angle of radiation inherent in the dipole antenna pattern, a 4.0 dB improvement in performance is typical when compared to a 3 wave whip in the centre of a metal roof.

The end fed design of the UHF Mopoles incorporates a truly unique transformer in the base section.

In this patented feed assembly, the dielectric of the coaxial feeder cable is trimmed to a set length and then introduced into the coil in termination.

The result is a precisely matched feed which is so consistent that tuning to frequency from a chart becomes a matter of course.

CD51 antennas are fitted with a flexible nylon radome over a copper element - ideal in industrial applications. CD50 antennas have an elegant and durable tapered stainless steel whip section.

There are two styles of mounting arrangements offered.

The CD50-xx-70 and CD51-xx-70 versions mount via a threaded stud and nut assembly.

The antenna can be easily terminated, tuned and re-terminated in the field using the instructions supplied.

Its patented design allows the coaxial cable to be replaced in the field without specialised tools or soldering.

The CD50-xx-50 and CD51-xx-50 versions mate with the MBC coaxial base providing an internal, permanent connection in a completely sealed unit.

The MBC base is easy to install and allows the entire antenna to be removed and replaced at will. 

Features:

  • Versatile - Ground plane independence allows alternative mounting locations
  • Performance - High performance and largely omni-directional pattern when not centre roof mounted 
  • Convenient - Patented design allows termination or retermination in seconds 
  • Stainless steel whip or flexible nylon whips cater to individual needs 
  • Durable - Base coil is virtually indestructible 
  • Unique transformer design 
  • Australian Patents #596830 and #656793 

 

Notes:

  1. Mopole™ antennas such as the CD50 and CD51 exhibit a 4dB improvement in performance over a ¼ wave whip but in pattern tests deliver only 2.0 to 2.5dB of actual gain. This improvement in performance can be attributed to a lower angle of radiation and is of particular benefit to users in rugged terrain conditions and in heavily built up city areas. 
  2. Available preterminated with 5m 8058 RG58C/U. Use -73 or -53 suffix to replace -70 or -50 suffix.
More Information
BrandRF Industries (RFI)
ColourBlack
Antenna Frequency380 - 440 MHz
Antenna Gain4 dBi
Antenna Length360mm
Removable WhipNo
Mounting13mm Stud
Cable Length5m
Cable TypeRFI-9006 (RG58)
ConnectorN/A
Antenna Material / ConstructionCopper braid element in flexible nylon tubing
Antenna Power50W
VSWR<1.5:1
0
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