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Optibeam Antenna
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Optibeam - OB16-5 - 16 Element 20-17-15-12-10-20/17/15/12/10
OB16-5
New product
As you know the Yagi as a symmetrical structure must always be fed using a balun at the feed point, otherwise the performance will be significantly lost.
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More info
| Bands | 20 / 17 / 15 / 12 / 10 | |
| Gain (dBd) * | 7,1 / 7,2 / 7,3 / 7,0 / 7,7 | |
| Gain (dBi) ** | 14,5 / 14,7 / 14,9 / 14,8 / 15,5 | |
| F/B (dB) | 18 / 20 / 22 / 24 / 20 | |
| VSWR | ||
| 14,00 - 14,19 - 14,35 | 1,3 - 1,1 - 1,2 | |
| 18,07 - 18,14 - 18,17 | 1,3 - 1,1 - 1,2 | |
| 21,00 - 21,25 - 21,45 | 1,5 - 1,1 - 1,5 | |
| 24,89 - 24,93 - 24,99 | 1,3 - 1,1 - 1,3 | |
| 28,00 - 28,50 - 29,00 | 1,5 - 1,1 - 1,5 | |
| Elements (number) | 16 (+ 8 hidden sleeve für 12/17m ) | |
| Active Elements 20 / 17 / 15 / 12 / 10 | 4 / 4 / 4 / 4 / 8 | |
| Max. Elementlength (m) | 10.98 | |
| Boomlength (m) | 10.1 | |
| Turning Radius (m) | 7.25 | |
| Feedlines (number) | 1 Coax 50 Ohm | |
| Weight (kg) | 75 | |
| Windload at 130 km/h | 1.757 N / 2,21 m² / 23,7 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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