Tonna 220809 2m 9 element Antenna

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SKU
220809
£79.95 £66.62
Quick Overview

2m 9 element 13.1dBi gain "N" socket 3.47m long.

Electrical data  
   
Radiation at 144.5 MHz  
Effective electrical length 1.65 l
Isotropic gain 13.1 dBi
Aperture angle @ -3 dB  
- E-plane
2 x 20.2°
- H-plane
2 x 23°
First side lobe set  
- E-plane
- 20.5 dB @ 54°
- H-plane
- 13.6 dB @ 58°
Rear protection - 19.8 dB
Average stray radiation  
- E-plane
- 30 dB
- H-plane
- 18 dB
Bandwidth  
Gain @ -1 dB 140 to 148 MHz
Nominal impedance 50 W
Impedance match bandwidth @ SWR<1.3/1 143.4 to 146.2 MHz
Acceptable RF power (continous duty) 1000 W
Array of 2 or 4 antennas  
(optimized stacking distance, from center to  
center of elements, for minimal side lobe  
radiation)  
- E-plane - Electrical distance
1.33 l
- E-plane - Practical distance
2.77 m
- H-plane - Electrical distance
1.33 l
- H-plane - Practical distance
2.77 m
   
Mechanical data  
   
Connector N
Overall length 3.47 m
Mass 3.0 kg
Effective wind load  
- Horizontal polarisation
0.10 m2
- Vertical polarisation
0.15 m2
Approximate wind load (25m/s - 55 mph)  
- Horizontal polarization
4.1 daN
- Vertical polarization
6.1 daN
Approximate wind load (45m/s - 100 mph)  
- Horizontal polarization
13.2 daN
- Vertical polarization
: 19.7 daN
More Information
Manufacturer Tonna
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