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.
|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.