Optibeam Antenna

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Optibeam - OB8-4M - 8 Element, 4 Band - 40 / 20 / 15 / 10

OB8-4M

New product

2 219,00 €


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More info

Bands   40 / 20 / 15 / 10
Gain (dBd) *   3,5 / 4,2 / 4,4 / 4,9
Gain (dBi) **   10,7 / 11,4 / 11,6 / 12,1
F/B (dB)   18 / 25 / 20 / 28
VSWR    
40 m allgemeines setting:    
7,00 - 7,05 - 7,10 - 7,30   1,6 - 1,15 - 1,3 - 1,9
40 m USA phone setting:    
7,15 - 7,20 - 7,30   1,5 - 1,15 - 1,4
14,00 - 14,18 - 14,35   1,5 - 1,1 - 1,4
21,00 - 21,25 - 21,45   1,3 - 1,1 - 1,4
28,00 - 28,50 - 29,00   1,6 - 1,15 - 1,7
     
Elements (number)   8
Active Elements   2 / 2 / 2-3 / 2-3
Max. Elementlength (m)   10.52
Boomlength (m)   6.1
Turning Radius (m)   6.12
Feedlines (number)   1 Coax 50 Ohm
Weight (kg)   50
Windload at 130 km/h   970 N / 1,20 m² / 13,0 feet²
     
* = 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)

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Optibeam - OB8-4M - 8 Element, 4 Band - 40 / 20 / 15 / 10

Optibeam - OB8-4M - 8 Element, 4 Band - 40 / 20 / 15 / 10