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Optibeam Antenna
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Optibeam - OB16-3 - 16 Element, 3 Band - 20 / 15 / 10
OB16-3
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 / 15 / 10 | |
| Gain (dBd) * | 7,1 / 7,5 / 8,5 | |
| Gain (dBi) ** | 14,5 / 15,1 / 16,3 | |
| F/B (dB) | 20 / 22 / 25 | |
| VSWR | ||
| 14,00 - 14,19 - 14,35 | 1,3 - 1,0 - 1,3 | |
| 21,00 - 21,25 - 21,45 | 1,4 - 1,1 - 1,5 | |
| 28,00 - 28,50 - 29,00 | 1,4 - 1,0 - 1,5 | |
| Elements (number) | 16 | |
| Active Elements | 4 / 4 / 8 | |
| Max. Elementlength (m) | 10.92 | |
| Boomlength (m) | 10.1 | |
| Turning Radius (m) | 7.27 | |
| Feedlines (number) | 1 Coax 50 Ohm | |
| Weight (kg) | 60 | |
| Windload at 130 km/h | 933 N / 1,17 m² / 12,6 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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