December Special New Products Combo Deal Ham Club Group Discount Commercial Order Blog


Sirio HP 140-175mhz VHF Mobile Antenna

Sirio VHF vehicular antenna working on 139.3 - 175 Mhz by means of the enclosed cutting diagram. It is made with the very best material to guarantee the maximum strength and the best performance. The whip made of 17/7 PH stainless steel, is very flexible and incorporate custom inclination system that allows it to be tilted to 90 degree without using keys or tools. Also a particular attention has been paid to the UHF-Female antenna connector with a goldplated center pin, a PTFE insulator and a silicone rubber gastet for a perfect waterproofing


  • Mobile antenna, Mono-band
  • Low-Gain, Omnidirectional
  • Suitable for fitting on magnetic mounts, angular connectors, or portable transceiver
  • HP 140-175 Tunable by whip cutting
  • Protection from static discharges DC-Ground
  • 17/7 PH tapered stainless steel whip
  • 90° tiltable whip and detachable for car-washes access
  • Magnetic mount version available

    Electrical Data

  • Type: 140-175: 5/8 λ
  • Fequency Range: tunable from 139.3 to 175 MHz
  • Impedance: 50Ω unbalanced
  • Radiation (H-plane): 360° omnidirectional
  • Polarization: vertical
  • Gain: 1.5 dB ref. to a λ /4 whip
  • Bandwidth @ SWR ≤ 2: ≥ 6.6 MHz @ 139.3 MHz
  • SWR @ res. freq.: ≤ 1.2 @ 139.3 MHz
  • Max Power: 150 Watts
  • Connector Type: UHF-male (PL 259)

    Mechanical Data

  • Materials: Stainless Steel 17/7 PH, Brass, Nylon, Chromed Brass
  • Height (approx.): 1435 mm
  • Weight (approx.): 320 gr
  • Quantity: Reviews
    Specials (32)
    Newest Products
    Go To...
    Quick Find
    Use keywords to find the product you are looking for.
    Advanced Search