Sirio SB 3M – Marine Antenna with 5 m Cable


A very rugged 3/4 wave marine antenna for VHF marine frequencies 156-163 MHz, it is universal mounting because the white nylon ratchet mount can mount on the deck or on the side of the cabin wall. Comes with a white un-terminated cable.


Fibreglass antenna, SB 3M from Sirio, for the VHF Marine band 156-160Mhz and boat installation. This marine VHF antenna measures approx. 1.5 meter and is supplied with a 5-meter coaxial cable with PL-259 connector (UHF male) and the boat mounting bracket. It is designed to operate without a ground plane and has ESD protection. The marine antenna bracket is made of stainless steel, the antenna whip is made of high-quality brass and copper and protected by a fibreglass tube.

3/4 λ marine antenna working on 156-163 MHz without Ground Plane. It is particularly protected against the worst sea weather thanks to its conic glass fibre tube which makes it strong and solid in every situation. The radial whip is earthed in order to avoid stray R.F. currents and their discharges. All its metallic components are of chromium-plated brass and stainless steel to get robustness and full assurance; it is available in three different bases. It is provided with a 5 m white cable RG 58 already connected. In the mentioned range of frequencies, adjustments are not required.



Type 3/4 λ J-pole
Radiation Omnidirectional
Polarization Linear vertical
Frequency Range 155.5 – 160 MHz No tuning required
Systems VHF Marine Band
Gain 2 dBd – 4.15 dBi
Max Power 100W (CW)
Grounding Protection DC-Ground
Cable Lenght/Type 5 m (16.4 ft)/Low loss
Connector Not supplied
Materials Chromed brass, Fiberglass, Nylon
Height 1480 mm (4.86 ft)
Weight 750 gr (1.65 lb)
Mounting Type Thru-Holes



Additional information

Weight 1 kg