Sirio Megawatt 4000 Silver Mobile CB Antenna


Experience the pinnacle of CB radio performance with the Sirio Megawatt 4000 silver mobile CB antenna. This awe-inspiring antenna is meticulously crafted to elevate your communication experience to new heights, catering to a diverse audience and their professional needs.


With an impressive frequency range from 27 to 28.5 MHz, the Sirio Megawatt 4000 allows for precise tuning, ensuring crystal-clear reception and transmission time after time. Say goodbye to static interference thanks to its exceptional protection from discharges through DC-ground technology.

Crafted with utmost precision, this antenna features a sleek and durable 17/7 PH tapered stainless steel whip – designed not only for visual allure but also long-lasting performance in any weather conditions. Its supplied special screw and anti-theft safety key ensure both effortless installation and peace of mind knowing that your investment is protected.

Adjustability is at your fingertips with the Sirio Megawatt’s remarkable 180-degree inclination feature paired with an adjustable whip. Effortlessly detachable for car-washes or magnetic mount suitability, convenience meets versatility like never before.

Pushing boundaries further, this cutting-edge mobile CB antenna boasts an astonishing power handling capacity of up to 600 Watts (CW) continuously, or a staggering 1800 Watts (CW) during short bursts of communication intensity. Connect swiftly and securely with its UHF-male connector (PL259), guaranteeing optimum signal transfer without compromise.


Frequency Range 27 – 28.5 MHz
Impedance 50 Ohm
Radiation (H-plane) 360 degree omni-directional
Polarization Vertical
Bandwidth at S.W.R. 2:1 2580 KHz
S.W.R. at resonant frequency = 1.2:1
Power 600 Watts (CW) continuous, 1800 Watts (CW) short time
Connector UHF-male (PL 259)
Materials Brass, Copper, Nylon, Stainless Steel
Length 2035 mm
Weight 450 g

Additional information

Weight 0.8 kg