MOBILE VHF ANTENNA SIRIO 108-550 MHZ TUNABLE

Up-grade: new model for 108-550 MHz
Mobile antenna, Mono-band
Unity-gain, Omnidirectional
Tunable by whip cutting
Stainless steel cylindrical whip
180° inclination and adjustable whip, detachable for car-washes access
Black chrome version available
Magnetic mount version available
Electrical Data

Type: 1/4 λ Mobile Antenna
Frequency range:
SMA 55-550: tunable 55…550 MHz
SMA 108-550: tunable 108…550 MHz
Impedance: 50Ω
Radiation (H-plane): 360° omnidirectional
Polarization: linear vertical
Gain: 0 dB ref. to a λ /4 whip
Bandwidth @ SWR ≤ 2: see diagram
SWR @ res. freq.: see diagram
Max. Power (CW) @ 30°C: 200 Watts
Standard Mount: “SL”
Cable lenght / Type : 5 m / RG 58
Alternative mount: “S” (55…300 MHz only)
Mechanical Data

Materials: Stainless Steel 17/7 PH, Chromed Brass, Nylon
Height (approx.):
SMA 55-550: 1360 mm
SMA 108-550: 720 mm
Weight (approx.): 400 gr
Mounting Hole: Ø 19 mm