 operation.
| Electrical Specifications 2 m | |
| Frequency Range: | 144 – 146 MHz |
| Free Space Forward Gain: | 10.3 dBi |
| Front to Back Ratio: | 27 dB |
| Polarization: | Horizontal |
| Nominal Input Impedance: | 50 Ohms |
| SWR Across Entire Band: | < 1.2 |
| Maximum Power Input: | 100 W |
| Matching Method: | Direct feed through RG316 teflon common mode choke (current balun) |
| Connector: | “N” (Common connector for both bands) |
| Mechanical Specifications 2 m | |
| Boom Length: | 1.5 m |
| Boom Size: | 12 x 18 mm |
| Number of Boom Pieces: | 1 |
| Element Diameter: | 4 mm Aluminum rod |
| 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: | 1″ – 1-1/2″ 32 – 50 mm |
| Survival Wind Speed: | 120 km/h |
| Transportation Length: | 1.5 m |
| Antenna Weight: | Â 1 kg |
| Electrical Specifications 70 cm | |
| Frequency Range: | 430 – 440 MHz |
| Free Space Forward Gain: | 12.5 dBi |
| Front to Back Ratio: | 25 dB |
| Polarization: | Horizontal |
| Nominal Input Impedance: | 50 Ohms |
| SWR Across Entire Band: | < 1.2 |
| Maximum Power Input: | 50 W |
| Matching Method: | Direct feed through RG316 teflon common mode choke (current balun) |
| Connector: | “N” (Common connector for both bands) |
| Mechanical Specifications 70 cm | |
| Element Diameter: | 4 mm Aluminum rod |
| Number of elements: | 9 |
| Longest element: | 0.35 m |
| Element Mounting Position: | Below the Boom. |
Youtube video about antenna:
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