SIRIO SY 27-4 (CB & HAM)

Features:
 - CB Base station 4-elements YAGI antenna
- 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:  4 element Yagi antenna 

- Frequency range:   26.9-27.5 MHz @ SWR ≤ 2 

- Impedance: 50Ω 

- Radiation (H-plane): directional 

- Polarization: linear horizontal 

- Gain:    11 dBd, 13.15 dBi 

- Bandwidth @ SWR ≤ 2:   SY 27-4: ≥ 600 KHz (55 channel) 

- 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:  80 N at 150 Km/h 

- Wind resistance: 120 Km/h 

- Wind surface: 0.07 m² 

- Dimensions (approx.): 5725x4030x100 mm 

- Boom length / diameter:  4030 mm / 33 mm 

- Max. element length (approx.):  5725 mm 

- Turning radius (approx.):  3600 mm 

- Weight (approx.):  6100 gr 

- Mounting mast: Ø 35-50 mm