ANTENNA

OMA-3B7 7 Element 3 Band Antenna


  • Product Code: OMA-3B7
  • Stock: Pre-Order
  • Price:

    950.00€

3 Band  antenna for 20, 15 and 10m band uses a common feed line. Input power limited by feed line only. Low SWR, excelent F/B, excelent F/S ratio. Wind survival speed 130 km/h. A very flexible alloy EN AW 2024 (not EN AW 6060) is used for the elements. All fasteners (screws, screw nuts, ets are from stainless steel).

Easy to connect coaxial cable with PL-259 connector.


Electrical Specifications:

Band:14 MHz21 MHz28 MHz
Frequency Range:14.0 - 14.35 MHz21.0 - 21.45 MHz28.0 - 29.5 MHz
Free Space Forward Gain in dBi:6,46,57,3
Forward Gain 20m AGL:11,411,912,9
Front to Back Ratio in dB:111224
3 dB Horizontal Beamwidth:686963
Number of active elements per band:223
Maximum SWR at any freq.:1 : 1.41:1.51:1.5
3 kW (balun included)
Matching Method:Direct feed through current balun. One cable for all three bands.
Connector:SO239 ( N connector optional )

Mechanical Specifications:

Boom length:4.1 m
Boom Diameter:50 x 50mm
Longest element:11.08 m
No. of elements:7
Turning radius:5,85 m
Surface Area:

1,20m2

Mounting Mast Diameter:43 - 70 mm
Survival Wind Speed:130 km/h
Wind load at 130km/h:438 N / 0,55 m² / 5,9 feet²
Weight:19 kg