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Manufactured by one of the best....SIRIO! Long life and high mechanical strangth makes the M-400 a must have. Made of anitcorrodal aluminum, brass, and nylon (all metal interconnecting items are turned copper made). Three antijamming small radials complete the antenna. The radials have the function of reducing static charges induced in the antenna itself. The antenna requires no adjustments. This frame anchors the three radials to the supporting pole and prevents them from whistling when the wind blows. The antenna is directly mounted on the base and can accept support poles with 30-35mm diameter. *Number of channels: 300, *Max. applicable power:1,000w, *Minimum SWR1/1.1, *Gain: 7dB, *Length: 5500mm (approx. 18ft), *Impedence: 50oHM, *Wind resistance: 120KM/h, *Weight 1300gr.
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