Description
⚠️ PLEASE CONTACT US BEFORE ORDERING TO CONFIRM STOCK AVAILABILITY
The Sirio 827 Base Antenna is one of the most respected and proven antennas in the CB world — known for excellent performance, durability and long-distance capability.
Designed as a 5/8 wave ground plane antenna, the Sirio 827 delivers strong, consistent signal performance across the CB band and is also ideal for 10 metre amateur use (28 MHz).
📡 Outstanding Performance
✔ 5/8 wave design for improved ground-wave propagation
✔ Excellent transmit and receive performance
✔ 360° omnidirectional coverage
✔ Ideal for both local and long-distance communication
A serious upgrade over standard base antennas.
🛠 Built to Last
- High-quality construction using aluminium, steel, copper and nylon
- Engineered for long-term outdoor use
- Strong radial system for stability and performance
- Designed to withstand harsh weather conditions
Built for years of reliable service.
⚙️ Tuned for Efficiency
- Low SWR: ≤ 1.1:1 at resonance
- Wide bandwidth: 2000 kHz (SWR ≤ 2:1)
- Transformer DC-ground feed system
- Optimised for consistent, efficient operation
Key Features
- 5/8 wave ground plane antenna
- Suitable for CB & 10 metre band
- Omnidirectional radiation pattern
- High power handling
- SO-239 (UHF female) connector
- Vertical polarisation
Technical Specifications
- Frequency Range: 26 – 28 MHz
- Length: Approx. 6.7 metres
- Gain: 1.5 dBd / 3.65 dBi
- Impedance: 50 Ohm (unbalanced)
- SWR: ≤ 1.1:1 at resonance
- Bandwidth (SWR ≤ 2:1): 2000 kHz
- Max Power: 1000W continuous (CW)
- Feed System: Transformer DC-ground (base)
- Connector: UHF Female (SO-239)
Build & Installation
- Radial Length: Approx. 1.4 metres
- Mast Size: 35 – 39 mm
- Wind Load: 264 N @ 150 km/h
- Wind Surface: 0.23 m²
- Weight: Approx. 6 kg
Why Choose the Sirio 827?
This antenna is ideal if you want:
✔ Proven, trusted performance
✔ Strong and stable signal
✔ Excellent build quality
✔ Long service life
A favourite among experienced CB and 10m users for good reason.
Ideal For
- Base station CB setups
- 10 metre amateur radio
- Long-distance communication
- Users upgrading from entry-level antennas
Straight Talking
If you want a reliable, high-performance base antenna that consistently delivers, the Sirio 827 is one of the safest bets you can make.
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