SIRIO SY4 Direttiva 4 elementi Yagi 26.5-30 Mhz

SIRIO SY4 Directive CB 4 Elements Yagi 26.5-30 Mhz

The Sirio SY 27-4, is a very strong, yet lightweight, high gain quality, Yagi antenna. Well built and gives great performance on 26.9-27.5 MHz. The SY 27-4 is easily adjustable to cover 29 MHz in 10 meters of amateur band. 4 Yagi beam antenna elements working on the 27 MHz band with Gamma System Match. It was completely made of anticorodal aluminum and supplied with large Boom section and steel bracket for mounting on the support pole. The fixed part with the quick assembly system is made of die-cast metal to obtain maximum resistance. Each element is supplied with polyethylene sleeve joints for perfect waterproofing. It is equipped with a female UHF connector.

CHARACTERISTICS:

- Antenna base station;

- Directional, high gain;

- Horizontal polarization;

- Factory tuned to mid band;

- Power handling capabilities;

- Elements equipped with whit waterproof joint sleeve;

- Made of 6063 T-832 aluminum alloy;

ELECTRICAL DATA

- Type : SY 27-4: 4 element Yagi antenna;

- Frequency range : SY 27-4: 26.9-27.5 MHz @ SWR ≤ 2;

- Impedance : 50Ω;

- Radiation (H-plane) : directional;

- Polarization : horizontal linear;

- Gain : SY 27-4: 11 dBd, 13.15 dBi;

- Bandwidth @ SWR ≤ 2 : SY 27-4: ≥ 600 KHz;

- SWR @ res. freq .: ≤ 1.2;

- Max. Power : 1000 Watts (CW) continuous 3000 watts (CW) in a short time;

- Power system / position : Match range / Center;

- Connector : UHF-female;

MECHANICAL DATA

- Materials : aluminium, steel, nylon;

- Wind load : SY 27-4: 80 N at 150 Km/h;

- Wind resistance : 120km/h;

- Wind surface : 0.07 m²;

- Dimensions (approx.): SY 27-4: 5725x4030x100 mm;

- Arm length / diameter : SY 27-4: 4030 mm / 33 mm;

- Max. element length (approx.) : SY 27-4: 5725 mm;

- Turning radius (approx.) : SY 27-4: 3600 mm;

- Weight (approx.): SY 27-4: 6100 gr;

- Mounting shaft: Ø 35-50 mm.