Glendale, Arizona USA

  

 
 

 

Model No. RB-406                                       Four element beam for Six Meters

Specifications                               

Wind loading: 2.2 Sq. ft.
Wind maximum: 80 mph
Weight: 11.5 lbs.
Max element length: 9' 56"
Turning radius: 9.7'
Boom Length:  13.8'
Boom diameter: 1.375"
Feed point Z: 50 Ohm unbalanced.
Feed point connector: UHF or Type-N 
Gain: Greater than an equivalent yagi.
F/B ratio: =>25 dB

 

 

 

VSWR @ 50 ohms

50 - 50.4 MHz

Model No. RB-410                                      Four element beam for Ten Meters

Specifications                        

Wind loading: 4.5 Sq. ft.
Wind maximum: 80 mph
Weight: 21 lbs.
Max element length: 17' 56"
Turning radius: 15.7'
Boom Length:  13.8'
Boom diameter: 1.375" to 1.5"
Feed point Z: 50 Ohm unbalanced.
Feed point connector: UHF
Gain: Greater than an equivalent yagi.
F/B ratio: =>25 dB

 

 

 

 

 

 

VSWR @ 50 ohms

28 - 28.8 MHz

  Typical 4 element free space radiation pattern

 

Our 4 element beams are extremely competitive contest beams, and will compete with yagis with much longer boom lengths. You will hear the weak ones better due to its low noise characteristics.