DualBand 70cm 23cm Antenna Two Connectors 70cm23WB11 Wideband

World’s first ever produced 432MHz and 1296MHz dualband 70cm 23cm antenna two connectors 70cm23WB11. Wideband design covers 430-440MHz and 1240-1310MHz. Light construction with the possibility to change polarization in a second. Solid gain for antenna boom of just 0.49m

 

DualBand 70cm 23cm Antenna Two Connectors 70cm23WB11 Wideband

 

What does 70cm23WB11 mean?

• 70cm – Covers complete 70cm band
• 23cm – Covers complete 23cm band
• WB – Wideband construction on both bands
• 11 – Overall number of elements. 4 elements on 70cm and 7 elements on 23cm

 

Electrical specifications of 70cm23WB11 on 70cm band

Frequency Range: 430 – 440 MHz
Free Space Forward Gain: 8.1 dBi
Front-to-Back Ratio: 22 dB
-3 dB Horizontal Beamwidth: 62.9°
Polarization: Horizontal or Vertical
Nominal Input Impedance: 50 Ohms
SWR Across Entire Band: < 1.2
Maximum Power Input: 850 W
Matching Method: Direct feed through common mode balun
Connector: “N”
Coupling to 23cm: -32 dB

 

DualBand 70cm 23cm Antenna Two Connectors 70cm23WB11 70cm Azimuth Radiation Pattern

 

 

Mechanical specifications of 70cm23WB11 on 70cm band

Number of Elements: 4
Element Diameter: 4 mm Aluminum rod
Dipole Diameter: 8 mm Hard Copper tube plastic coated
Longest Element: 340 mm
Element Mounting Position: Below the Boom
Balun and Connector: Included

 

Electrical specifications of 70cm23WB11 on 23cm band

Frequency Range: 1240 – 1310 MHz
Free Space Forward Gain: 11.4 dBi
Front-to-Back Ratio: 30 dB
-3 dB Horizontal Beamwidth: 45.8°
Polarization: Horizontal or Vertical
Nominal Input Impedance: 50 Ohms
Maximum Power Input: 100 W
Matching Method: Voltage balun. Used RG316 Teflon Cable
Connector: “N”
Coupling to 2m: -23 dB

 

DualBand 70cm 23cm Antenna Two Connectors 70cm23WB11 23cm Azimuth Radiation Pattern

 

Mechanical specifications of 70cm23WB11 on 23cm band

Number of Elements: 7
Element Diameter: 4 mm Aluminum rod
Dipole Diameter: 3 mm Copper
Longest Element: 120 mm
Element Mounting Position: Above the Boom
Balun and Connector: Included

Common Mechanical Specifications of 70cm23WB11 wideband antenna

Boom Length: 0.49 m
Boom Size: 20x20mm
Number of Boom Pieces: 1
Mounting Mast Diameter: 30 – 50 mm 1-1/4 – 2″ OD
Survival Wind Speed: 160 km/h
Transportation Length: 0.49 m
Net Weight: 0.4 kg
Gross Weight: 1.2 kg

 

DualBand 70cm 23cm Antenna Two Connectors 70cm23WB11 measured SWR on 70cm band

 

DualBand 70cm 23cm Antenna Two Connectors 70cm23WB11 measured SWR on 23cm band

 

Antennas-Amplifiers Product Benefits. A Major advance in Amateur Radio antenna design.

 

• F/B and G/T superiority.

All antennas have been calculated using state-of-the-art full 3D Electromagnetic Simulation Software including the influence of the boom, bracket, baluns, and connectors. The performance of antennas designed using these techniques is exceptional, far better than antennas designed using “wire” programs.
Comparison of EM simulation software

• No tuning antennas
  

Before dispatch, we assemble each antenna and test antenna characteristics. That means you may expect exceptionally good electrical and mechanical attributes including low SWR across the designed range immediately after assembling.
No need to tune the dipole, or any other element to get perfect SWR on the intended frequency range. Everything is pre-tuned.

• Easy to set up

Everything is labeled, just put number to number. The antenna can be assembled with hand tools in a couple of minutes.
Everything is included in the antenna box: Antenna, balun with connector, and bracket. Yours is to assemble and have fun!

 

Check all 70cm antennas
Check all 23cm antennas