Sirio Gain-Master 2024 - 5/8 CB Antenna
When does the delivery take place?
Delivery times vary depending on the country and destination postal code. They will be shown at checkout and apply only to products currently in stock.
For products marked as Not in stock, processing may take between 5 and 15 days. If delays occur, our customer service will contact you with timely updates.
What are the warranty terms?
All our products come with a 24-month legal warranty. Some brands provide extended warranty. Contact us for more info.
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Vai al moduloSirio Gain-Master 2024 – 5/8 CB High-Gain Base Antenna
The Sirio Gain-Master 2024 is a high-performance 5/8λ CB base antenna designed for operators seeking maximum range, efficiency and stability on the CB band and 10-meter amateur band.
This 2024 upgraded model features a reinforced PA6 fiberglass-enhanced sleeve, secured with stainless steel clamps, significantly improving mechanical strength and durability under demanding installation conditions.
The antenna provides 1–2 dB gain increase compared to traditional 5/8λ models and requires no tuning, making installation fast, simple and reliable.
Main features
- Optimized for high-performance CB base operation
- Reinforced 2024 version for superior mechanical durability
- No tuning required – plug-and-play installation
- Stable and reliable long-range communication
Electrical data
| Type | 0.625 λ |
| Feed system | Center-fed |
| Radiation pattern | Omnidirectional |
| Polarization | Vertical |
| Frequency range | 25.5 – 30 MHz |
| Operating bands | CB / 10-meter HAM |
| Gain | 1 to 2 dB higher than traditional 5/8λ antennas |
| Max power | 500 W CW continuous |
| Grounding | DC-grounded |
| Connector | UHF female (SO-239) |
Mechanical data
| Materials | Anodized aluminium, copper, stainless steel, fiberglass, UV-stabilized thermoplastic |
| Height | 7360 mm |
| Weight | 3000 g |
| Mounting | Mast-mount |
The Sirio Gain-Master 2024 is the perfect choice for operators who demand high-gain, durability and reliable performance in a fixed CB base installation.