| Electrical Specifications 2 meter | 
|  |  | 
| Frequency Range: | 144 – 146 MHz | 
| Free Space Forward Gain: | 10.4 dBi | 
| Front to Back Ratio: | 27 dB | 
| Polarization: | Horizontal | 
| Nominal Input Impedance: | 50 Ohms | 
| SWR Across Entire Band: | < 1.2 | 
| Maximum Power Input: | 500 W | 
| Matching Method: | Direct feed through Aircell 7 common mode choke (current balun) | 
| Connector: | “N” | 
|  |  | 
| Mechanical Specifications 2 meter | 
|  |  | 
| Boom Length: | 1.5 m | 
| Boom Size: | 20 x 20 mm | 
| Number of Boom Pieces: | 1 | 
| Element Diameter: | 8 mm Aluminum tube | 
| Dipole Diameter: | 8 mm hard Copper tube | 
| Number of elements: | 5 | 
| Longest element: | 1.03 m | 
| Element Mounting Position: | Below the Boom | 
| Mounting Mast Diameter: | 43 – 70 mm 1-11/16″ – 2-3/4″ OD | 
| Survival Wind Speed: | 150 km/h | 
| Transportation Length: | 1.5 m | 
| Antenna Weight: | 1.7 kg | 
|  |  | 
| Electrical Specifications 70 cm | 
|  |  | 
| Frequency Range: | 430 – 440 MHz | 
| Free Space Forward Gain: | 12.35 dBi | 
| Front to Back Ratio: | 21 dB | 
| Polarization: | Horizontal | 
| Nominal Input Impedance: | 50 Ohms | 
| SWR Across Entire Band: | < 1.2 | 
| Maximum Power Input: | 500 W | 
| Matching Method: | Direct feed through RG142 Teflon common mode choke (current balun) | 
| Connector: | “N” | 
|  |  | 
| Mechanical Specifications 70 cm | 
|  |  | 
| Element Diameter: | 4 mm Aluminum rod | 
| Number of elements: | 8 | 
| Longest element: | 350 mm | 
| Element Mounting Position: | Above the Boom |