The Sirio Megawatt 4000PL Mobile CB Antenna is a high‑performance mobile aerial designed for operators who demand maximum range, durability and signal clarity. Built as a variant of the well‑known Hipower 4000, it shares the same core electrical specifications, offering excellent transmission and reception performance for serious CB users. 

What sets the Megawatt 4000PL apart is its fine‑tuning system, protected by a removable rubber cover that allows quick and precise adjustment of SWR without tools. This makes it ideal for users who regularly switch vehicles or operate across varied environments where tuning accuracy is essential. 

For correct installation, the vehicle body mount shown in picture two is required, ensuring the antenna is securely fixed to the vehicle chassis for optimal grounding and stability. This mount is essential for achieving the antenna’s full performance potential.  Current page

With its robust construction, high-power handling and advanced tuning features, the Megawatt 4000PL delivers enhanced signal reach and consistent communication performance, making it a reliable choice for both everyday mobile use and long‑distance operation. 

Technical Specification

(Expanded into a clean Radioworld format — your page does not list electrical specs, so only information present on the page is cited.)

Model

• Sirio Megawatt 4000PL Mobile CB Antenna

Key Features

• A variant of the Hipower 4000 with identical performance characteristics 

• Fine‑tuning system with a removable protective rubber cover for easy adjustment 

• Requires a vehicle body mount for correct installation and stability 

• Designed for strong, reliable mobile communication performance 

Installation Requirements

• The vehicle body mount (as shown in image 2) is essential for proper fitting and grounding 

Included in Product Images

• Antenna main assembly

• Mounting hardware shown in image 3 (mount sold separately)