The CDF90 centre fed dipole radio antenna is manufactured to a high degree of Telecommunications specifications. All the dipoles for the CDF series are fabricated from one piece of tube, this has been done to alleviate the possibility of any high resistance points that could become present in a dipole that is made from more than one piece. The internal balun is completely seal moulded in black carbon-loaded polyethylene. These antennas are ideal for wide band applications and can be stacked vertically and fed in phase, using two/four dipoles, a gain of 3dB/6dB respectively can be obtained.

ELECTRICAL & MECHANICAL SPECIFICATIONS

• Gain over 1/2 wave dipole  Unity 
• V.S.W.R. Better than 1.5:1 over the operating band 
• Maximum input power rating 150 Watts 
• Input impedance 50 Ohms 
• Band width 12% 
  
• Polarisation Vertical or Horizontal 
• Connection 3 metres of RG213 fitted with N-Type socket and PVC sleeve 
• Support boom 1 1/4" x 12g
  
• Radiating elements 3/4" x 16g
  
• Castings Kemloc aluminium alloy 
• Insulator Black carbon polyethylene 
• Nuts & bolts 18/8 stainless steel and A2 Nyloc nuts 
• Weight 3.3 kgs 
• Windloading 14.9 kgf (32.4lbf) @ wind velocity of 160 kph

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Radio Structures Ltd - Antenna

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Tel: 01604 790005 - e-mail: sales@radiostructures.com