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OB4020x 8el big Duo Monobander 40 / 20m (full sized elements 40m)

OPTIBEAM  OB4020x big Duoband-Yagi 40-20m (full sized elements 40m)

(high efficient 3el full sized monoband Yagi 40m und 5el full sized OWA monoband Yagi 20m)

 

OB4020x 8el big Duo Monobander 40 / 20m (full sized elements 40m)
     
Bands   40 / 20
Gain (dBd)*   5,6 / 8,3
Gain (dBi)**   11,9 / 15,5
F/B (dB)   30 / 25
SWR:    
40m: 7,000 - 7,100 - 7,250   1,60 - 1,10 - 2,00
20m: 14,000 - 14,200 - 14,350   1,15 - 1,10 - 1,20
     
Elements (number)   8
Active Elements   3 / 5
Max. Elementlength (m)   22,54
Boomlength (m)   15,00
Turning Radius (m)   13,34
Feedlines (number)   2 Coax 50 Ohm
Weight (kg)   180
Windload at 130 km/h   3.360 N / 4,20 m2 / 45,15 feet2
     
Price ***   4.999,00 EUR
* = average gain over dipol in free-space / for comparison: 2 el monobander 4 dBd, 3 el 5-6 dBd
** = average gain at 20m above ground (= dBd + 2.15 dB isotropic + about 5 dB ground reflection)
*** = outside EU minus 19% tax - subject to change