Sirio SY27-4 4 elements 26.5 – 30 MHz Tuneable Yagi beam Antenna

****please check availability BEFORE ordering*****

📡🗼 Sirio SY 27-4 Yagi Beam Antenna – 4 Element 26.5–30 MHz – High Gain Directional Base Antenna

High Gain • Directional • Serious Performance

The Sirio SY 27-4 is a 4-element Yagi beam antenna designed for CB (11m) and 10m band operation, delivering exceptional gain and directional performance for base station use.

👉 Built for users who want maximum range and signal strength.

⚠️ IMPORTANT

❗ PLEASE CHECK AVAILABILITY BEFORE ORDERING

🔥 Why Choose the Sirio SY 27-4

✔ High Gain Directional Antenna (11 dBd / 13.15 dBi)
✔ Wide Tuneable Range (26.5 – 30 MHz)
✔ Handles High Power (Up to 3000W Peak)
✔ Heavy Duty Aluminium Construction
✔ Professional Base Station Performance

📡 Performance Highlights

• Frequency Range: 26.5 – 30 MHz (Tuneable)
• Gain: 11 dBd / 13.15 dBi
• SWR at Resonance: ≤ 1.2
• Bandwidth: ≥ 850 kHz @ SWR ≤ 2

👉 Designed for long-distance directional communication.

🎯 Directional Advantage

✔ Focuses signal in one direction
✔ Reduces interference from other directions
✔ Increases effective transmit and receive range

👉 Ideal for DXing and base station setups.

⚙️ Specifications

• Type: 4 Element Yagi Beam
• Polarisation: Horizontal
• Impedance: 50 Ohms
• Feed System: Gamma Match (Centre Feed)
• Connector: UHF Female (SO239)

🔩 Build Quality

✔ Aluminium alloy 6063 T-832
✔ Waterproof jointing sleeves
✔ Zinc plated hardware
✔ Designed for long-term outdoor use

🌬 Wind & Size Data

• Wind Load: 86N @ 150 km/h
• Wind Surface: 0.07 m²
• Boom Length: 4030 mm
• Max Element Length: ~5846 mm
• Turning Radius: ~3700 mm
• Weight: ~6.1 kg

🗼 Installation Requirements

✔ Mast Size: 35–50 mm diameter
✔ Rotor recommended for beam steering
✔ Suitable for base station installations only

💡 Why Choose a Yagi Beam

✔ Maximum gain vs omni antennas
✔ Directional control
✔ Improved long-distance performance

👉 A serious upgrade over vertical antennas.

⚠️ Important Notes

❗ Large antenna – ensure adequate space
❗ Professional installation recommended
❗ Mast & rotor not included

📦 Fast UK Dispatch

✔ Ships from the UK
✔ Secure packaging

💬 Complete Your Setup

👉 Check our shop for:

• Mast poles & guy kits
• Rotators
• Coax cable (RG213 / LMR400)
• SWR meters & accessories

🔥 Order Today

Point it. Power it. Reach further.