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UHF18 Eighteen Element UHF Yagi Frequency Range 380-490MHz
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UHF18 Eighteen Element UHF Yagi Frequency Range 380-490MHz
Product Code: Product Code: UHF18

Price: Price: 229.82

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Product Information

This UHF18 element UHF yagi antenna has been produced to assist engineers when they require maximum antenna gain but have limited mast space, or when working to critical mast loading calculations. The 15 dB antenna incorporates a grid reflector screen which ensures that no unwanted co-channel signals arrive through the back of the antenna, which is most suited for link to link communications.The UHF/18 element yagi is very robust and reliable and is manufactured to a high degree of Telecommunication specifications offering an excellent front to back ratio of 25 dB's.

Gain over 1/2 wave dipole  15.0 dB
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 +/- 4% of the centre frequency
Polarisation Vertical or Horizontal
Half power beam width E plane 24 degrees       H plane 32 degrees
Front to back ratio 25 dB
Connection 3 metre length of RG213 fitted with N-Type socket and PVC sleeve
Support boom 1 1/4" x 12 swg aluminium alloy tube - HE30TF
Radiating elements 1/2" x 16 swg aluminium alloy tube - HE9TF
Castings Kemloc aluminium alloy
Insulator Black carbon-loaded polyethylene
Nuts & bolts 18/8 stainless steel and A2 Nyloc nuts
Length 4.3 metres
Weight at: 6.5 kgs    
Windloading at wind velocity of 160 kph 21.8 kgf

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