Sirio Stardust M400 CB Antenna


The Sirio Stardust M400 CB Antenna offers exceptional versatility in mounting options. It can effortlessly sit on top of a 1.5 – 2″ mast, ensuring easy installation and optimal performance. If you require an alternative mounting solution, our FT-2 adapter bracket allows you to securely attach it to any other size mast as well.

SKU: 11-634 Category: Tags: , ,


Crafted for both CB and 10m base stations, this antenna boasts an impressively low radiation angle that guarantees excellent DX (long-distance) capability. Whether you need uninterrupted communication during important missions or lively conversations while exploring the great outdoors, rest assured that this antenna will deliver crystal-clear signals every time.

With power capabilities of up to 1000 Watts (CW) continuously or 3000 Watts (CW) for short periods, the Sirio Stardust M400 is built to handle demanding situations without compromising performance. The adjustable whip length ensures precise tuning so that your transmission remains clear and strong at all times.

Equipped with a gain of 0 dBd and 2.15 dBi, this antenna maximizes your range by efficiently capturing incoming signals or transmitting clear messages over long distances. Standing tall at a height of 5040 mm, it reaches new heights in terms of signal reception.


Type1/4 wave ground plane
Frequency RangeTunable from 26.5 to 30 MHz
Impedance50 Ohm unbalanced
Radiation (H-plane)360 deg omnidirectional
Gain0 dBd, 2.15 dBi
Bandwidth SWR <= 2>= 2000 KHz 26.5 MHz
Max. Power1000 Watts (CW) continuous / 3000 Watts (CW) short time
MaterialsAluminium, Chromed Brass, Nylon
Wind Load / Resistance75 N at 150 Km/h / 130 Km/h
Wind Surface0.07 metres squared
Height5040 mm
Weight1230 g
Radial Length2690 mm
Mounting Mast35 – 40 mm



  • CB and 10 m Base station antenna
  • Omnidirectional
  • Low radiation angle for excellent DX
  • High power handling capability
  • Made of aluminium alloy 6063 T-832
  • Tunable by whips length adjusting
  • Side mast mounting allowed by optional bracket FT-2

Additional information

Weight1.6 kg