Sirio Gain-Master Base CB Antenna


The Sirio Gain-Master base CB antenna is the pinnacle of advanced technology, providing exceptional performance and unwavering reliability. Designed for a wide band antenna from 10 m to 12 m amateur band, this high-tech fiberglass base station antenna operates within a frequency range of 25.5 – 30 MHz.


Engineered to withstand even the harshest weather conditions, the Gain-Master™ boasts an impressive wind resistance of up to 160 km/h. With its sturdy construction and durable materials, this antenna ensures optimal signal reception without compromise.

Measuring at a length of 7360 mm with bracket/radiator spanning across 6850 mm, it offers an extensive coverage area that guarantees amplified signals for crystal-clear communication. Weighing only 3 kg, this lightweight unit provides ease of installation without sacrificing performance.
Compatible with mounting mast sizes ranging from 35 – 54 mm, setting up your Sirio Gain-Master Base CB Antenna is quick and hassle-free. Its linear vertical polarization further enhances its efficiency in transmitting and receiving signals effectively throughout various environments.

Whether you’re a seasoned professional or just starting out in the world of CB radios, the Sirio Gain-Master Base CB Antenna caters to all enthusiasts seeking unparalleled quality and versatile functionality. Choose excellence in every transmission with this remarkable product that exceeds expectations time after time.


Frequency 25.5 – 30 MHz
Impedance 50 Ohms
Radiation Omnidirectional
Polarization Linear Vertical
Max Power 500 watts CW continuous / 1000 watts short time
Connector UHF Female PTFE Insulator, and gold plated centre pin
Wind Resistance up to 160km/h
Length 7360 mm with bracket / radiator 6850 mm
Dimensions 1950 x 110 x 120 mm
Weight 3 kg
Mounting Mast 35 – 54 mm

Additional information

Weight 3.2 kg