Antennas - Arrays VHF & UHF - EFC/DD End Fire Couplet Array Frequency 72-255 MHz - UK Manufacturer Antenna Masts Towers Radio CCTV Safety training - EFC/DD End Fire Couplet Array Frequency 72-255 MHz
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EFC/DD End Fire Couplet Array Frequency 72-255 MHz
EFC/DD End Fire Couplet Array Frequency 72-255 MHz
Product Code: Product Code: EFC/DD

Price: Price: 211.74

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Product Information

The End Fire Couplet Array (EFC/DD) incorporates a very high front to back ratio which reduces any unwanted signals arriving through the back of the antenna. These antennas are very robust and manufactured to a high degree of Telecommunications specifications. The EFC/DD's are fabricated from one piece of tube which eliminates the possibility of any high resistance points and the internal balun is completely seal moulded in black carbon-loaded polyethylene. The EFC/DD antenna would suit applications such as coastguards where no back signal is required and minimum interference.


Gain over 1/2 wave dipole  3dB
V.S.W.R. Better than 1.5:1 over the operating band
Maximum input power rating 200 Watts
Input impedance 50 Ohms
Band width +/- 3% of the centre frequency
Polarisation Vertical or Horizontal
Connection 3 metres of RG213 fitted with N-Type socket and PVC sleeve
Half power beam width E plane 85 degrees     H plane 180 degrees
Front to back ratio Better than 20 dB
Support boom 1 1/4" x 12 swg aluminium alloy tube - HE30TF
Radiating elements below 390 MHz 3/4" x 16 swg aluminium alloy tube - HE9TF
Radiating elements above 390 MHz 1/2" x 16 swg aluminium alloy tube - HE9TF
Castings Kemloc aluminium alloy
Insulator Black carbon polyethylene
Nuts & bolts 18/8 stainless steel and A2 Nyloc nuts
Fixing brackets optional extra

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Radio Structures Ltd - Antenna



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