DK7ZB based, especially recalculated for armateur sattelites use – 146 and 437 MHz. Cross-Band Yagi
The antenna is designed mainly for communication through amateur satellites, provides a very good reception and transmission quality. At the same boom are situated two antennas. First the 144 MHz band and the second at 430 MHz band in opposite polarity.
These antennas are powered by separate cables.
Using two antennas and splitters with appropriate phase shift can be obtained circular polarization in both bands for superior communications satellites during the entire flight.
Available with rear-mount as an option.
| Technical information | 2m band | 70cm band |
| Frequency coverage | 146 MHz | 437 MHz |
| Number of elements | 5 | 9 |
| Gain | 10.5 dBi | 14.2 dBi |
| Fron-to-Back ratio | -20.0 dB | -25.0 dB |
| Vertical pattern width (+/-3dB) | 83° | 40° |
| Horizontal pattern width (+/-3dB) | 55° | 36° |
| Max. power | 300 W | 200 W |
| Max. SWR | 1.2:1 | 1.2:1 |
| Antenna sockets | 2 x Type N | |
| Baluns | 28/50Ω (Teflon COAX) | |
| Overall length | 150 cm (175cm*) | |
| Cross-Boom | 20x20x1 mm (25x25x1.5mm*) | |
| Elements diameter | 10 mm (radiator 12 mm) | |
| Material | aluminium / stainless steel | |
| Mast mount | max. dia. 60 mm | |
| Weight | 2.3 kg (2.5kg*) | |
* rear mount
Price £ 81.99
When assembled, the antenna is ready to work and does not require additional tuning.
No drilling, no cutting – just assemby and enjoy antenna.
See More: Link
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