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Sirio Megawatt 4000-PL Mobile CB/HAM Mobile Antenna


lternative versions of the Highpower 3000 and 4000, the Megawatt 4000 have exactly the same specifications, but include a fine tuning system with a protective rubber cover which is easily removable.

Vehicular antennas conceived to bear high powers. The coil is made of big section copper wire and the whip of conic 17/7PH stainless steel to get the bestflexibility. The mount is of black chromed brass with a rubber washer for a perfect watertightness and its UHF-PL259 connection makes it suitable for the installation on magnetic mount. It can be supplied with "N-PL" mount and 4m cable for a hole installation on the vehicle.


  • CB & 10m Mobile antennas
  • High power handling capability
  • Tunable from 27 to 28.5 MHz
  • Protection from static discharges DC-Ground
  • 17/7 PH tapered stainless steel whip
  • Supplied with special screw and anti-theft safety key
  • 180 inclination and adjustable whip, detachable for car-wash
  • Suitable for magnetic mount

    Electrical Data

  • Type: base loaded
  • Frequency range: 27 ... 28.5 MHz
  • Impedance: 50 Ω
  • Polarization: linear vertical
  • Bandwidth @ SWR ≤ 2: MEGAWATT 4000: ≥ 2580 KHz (230 channel)
  • SWR @ res. freq.: ≤ 1.2
  • Max. power: MEGAWATT 4000: 600 Watts (CW) continuous, 1800 Watts (CW) short time
  • Mounting: MEGAWATT Series PL: UHF-male (PL 259)
  • Cable Type / Length: MEGAWATT Series PL: not supplied

    Mechanical Data

  • Materials: Brass, Copper, Nylon, Stainless Steel
  • Height (approx.): MEGAWATT 4000: 2035 mm
  • Weight (approx.): 450 gr

  • Add to Cart:

    • Model: wm4k
    • Manufactured by: Sirio Antenna

    This product was added to our catalog on Monday 24 September, 2012.

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