Sirio CX156U CW Base Antenna 156 – 160 MHz


Upgrade your communication setup with the exceptional Sirio CX156U CW Base Antenna. Designed as a Type 3/4 λ coaxial J-pole, this antenna guarantees optimal performance that caters to professionals and enthusiasts alike.

SKU: 57-472 Category: Tags: , ,


Radiating an omnidirectional signal, this antenna ensures uninterrupted connectivity in every direction. Its linear vertical polarization further enhances signal transmission, providing crystal-clear reception even in challenging conditions. With a formidable gain ranging from 2 dBd to 4.15 dBi, experience powerful and reliable communication like never before.

Built to handle heavy usage, this base antenna boasts a robust power capacity of 250 W (CW). Not only does it excel in functionality but also provides grounding protection through its ingenious DC-Ground feature – ensuring safety during operation.

Crafted from premium materials including aluminium, brass, galvanized steel, and Zamak; the Sirio CX156U CW is engineered to last. Weighing just 750 g and featuring an efficient on-mast mounting mechanism, installing and adjusting this versatile antenna is effortless.

Electrical Data

Type 3/4 λ coaxial J-pole
Radiation Omnidirectional
Polarization Linear Vertical
Frequency Range 156 – 160 MHz
Systems 2m-HAM, VHF Marine Band, ORBCOMM M2M, AIS-162 MHz, ISM-169 MHz
Gain 2 dBd – 4.15 dBi
Power 250 W (CW)
Connector UHF-female (SO-239)
Grounding Protection DC-Ground


Mechanical Data

Materials Aluminium, Chromed brass, Galvanized steel, Zamak
Dimensions 1500 mm
Weight 750 g
Mounting Type On-Mast

Additional information

Weight 1 kg