The Sirio SY 27-4 is a very strong but lightweight, high gain quality, Yagi antenna that won't break the bank. It is well constructed and gives great performance on 26.9-27.5 MHz. The SY27-4 is easily adjusted to cover up to 29MHz in the 10 metre Amateur Band.
4 elements Yagi Beam antenna working on 27 MHz band with Gamma Match System. It has been completely made of anticorodal aluminium and supplied with big section Boom and steel bracket for the fitting on the support mast. The fixing part with rapid mounting system is made of die-cast metal to get the maximum strength. Every elements is supplied with jointing sleeves of polythene for a perfect water-proofing. Its supplied with UHF Female connector.
Features:
Base station antennas
Directional, High-gain
Horizontal polarization
Factory tuned at mid-band
High power handling capability
Elements equipped whit waterproof jointing sleeve
Made of aluminium alloy 6063 T-832
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: linear horizontal
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) short time
Feed system / position: Gamma match / center
Connector: UHF-female
Mechanical Data
Materials: Aluminium, Steel, Nylon
Wind load:
SY 27-4: 80 N at 150 Km/h
Wind resistance: 120 Km/h
Wind surface: 0.07 m²
Dimensions (approx.):
SY 27-4: 5725x4030x100 mm
Boom length / diameter:
SY 27-4: 4030 mm / 33 mm
Max. element length (approx.):
SY 27-3: 5740 mm
SY 27-4: 5725 mm
Turning radius (approx.):
SY 27-4: 3600 mm
Weight (approx.):
SY 27-4: 6100 gr
Mounting mast: Ø 35-50 mm
This product was added to our catalog on Friday 25 November, 2011.
FCC Certified Amplifier (5)
HF Antenna
VHF Antenna-> (20)
Specials ...
