Sirio CX 4-68 4m antenne

Type: 3/4 λ coaxial J-pole
Radiation: Omnidirectional
Polarization: Linear vertical
Frequency range:    
68 … 73 MHz Tunable
Systems:  VHF Low-band (66-88MHz)
Gain: 2dBd – 4.15 dBi
Bandwidth:    
≥ 1.7MHz @ SWR ≤ 1.5
Max Power:  500W (CW)
Grounding protection:  DC-Ground
Connector:  UHF-female (SO-239)

Mechanical Data:
Materials:  Aluminium, Brass, Stainless steel, Nylon, Zamak
Height (approx):  3360 mm / 11.02 ft
Weight (approx):    1900 gr / 4.19 lb
Mounting type:    On-Mast