The 4 ele. UltraBeam 6-20 utilizes four Motor Units driving a dual Variable Reeling System sliding up and down inside two halfes of telescopic fiber glass tubes acting as a full size half wave dipole, refelector and two director elements on any frequency in the range of 14-50 MHz.
The Antenna Controller equipped with a quatriple motor driver board and dedicated powerfull software will match the 4 ele. UltraBeam 6-20 instantly to 50 ohm coaxial transmission line. You can also select a 180° direction reversal or bi-directional mode and it will adjust in a few seconds .
Motor Unit of the driven element does have an integrated efficient high power 2:1 Balun.
The 4 ele. UltraBeam 6-20 self-supporting, dynamic tunable beam that operates on all frequencies in the range of 14-50 MHz does not require safety guy wires.
All prefabricated control cables have multi-pin IP-68 waterproof connectors and do not require extra sealing.
Field firmware updates available at UltraBeam online download area for free.
Specifications
| Frequency range | : | 14-50 MHz |
| No. of elements | : | 4 |
| Gain | : | 10-20 m. - 8 dBd |
| F/B ratio | : | 10-20 m. - 25 dB |
| Active elements | : | 10-20 m. - 4 |
| Boom length | : | 9,7 m. |
| Boom diameter | : | 60 x 60 mm square |
| Longest element | : | 11 m. |
| Max. wind area | : | 0,95 m2 |
| Connector | : | SO 239 |
| Mast diameter | : | 50-60-65 mm |
| Max. power | : | 3 kW CW/5 kW PEP |
| Weight | : | 41 kg |
| Power Supply | : | 220VAC/24VDC included |
Balun, Antenna controller and power supply are included. Control cable has to be ordered separately. See related items below.
