The Sirio Gain-Master is a 1/2 wave CB base station antenna. It is designed for optimal performance and long-range communication. With its high gain and low angle radiation pattern, it ensures maximum signal strength and minimal interference. The antenna is made of high-quality materials, providing durability and resistance to harsh weather conditions. Its compact size and easy installation make it suitable for both residential and commercial use. Whether you're a CB radio enthusiast or a professional user, the Sirio Gain-Master antenna is a reliable choice for clear and reliable communication.

TECHNICAL SPECIFICATIONS: * Type: 1/2λ Center fed vertical dipole, * Frequency Range: Tunable from 27.2 to 30 MHz, * Gain: 0 dBd, 2.15 dBi, * Bandwidth @ SWR ≤ 2: ≥ 1800 kHz @ 27.2 MHz, * Max. power: 500 Watts (CW) continuous, * Connector: UHF-female, PTFE insulator & gold plated central pin, * Materials: Whip made of white fiberglass three composite section tube, Radiator made of copper wire and low loss coax cable, stainless steel, hardware, anodized AW6060 aluminum, UV stabilized thermoplastic, * Height (approx.): 5560 mm / 18.24 ft, * Weight (approx.): 2.6kg / 5.7 lb, * Packaging Dimensions: 1950 x 100 x 130mm / 77 x 4 x 5", * Mounting mast: Ø 35-54 mm / Ø 1.4-2.1", * Wind Resistance: Up to 160km/h, 100mi/h.