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OB21-3 big triband Yagi 20-15-10m

OPTIBEAM  OB21-3  21 Element 3 Band

OB21-3 21 Element triband Yagi 20-15-10m
     
Bands   20 / 15 / 10
Gain (dBd)*   8,0 / 8,4 / 9,3
Gain (dBi)**   15,2 / 16,0 / 16,9
F/B (dB)   35 / 18 / 20
SWR:    
14,00 - 14,20 - 14,35   1,5 - 1,1 - 1,5
21,00 - 21,25 - 21,45   1,3 - 1,1 - 1,5
28,00 - 28,50 - 29,00   1,2 - 1,3 - 1,2
     
Elements (number)   21
Active Elements   5 / 5 / 11
Max. Elementlength (m)   11,06
Boomlength (m)   14,10
Turning Radius (m)   8,20
Feedlines (number)   1 Coax 50 Ohm
Weight (kg)   108
Windload at 130 km/h   2.000 N / 2,50 m2 / 26,88 feet2
     
Price ***   2.599,00
* = 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