The Sirio Boomerang A 27MHz antenna is a compact and versatile 1/4 wave antenna designed for CB and 10 meter radio operation. Perfect for balcony, portable or temporary installations, this antenna delivers impressive performance while requiring very little space.

Easy to install and factory tuned at mid-band, the Boomerang A can be fine-tuned by adjusting the whip length to suit your preferred operating frequency. Its omni-directional design provides reliable all-round coverage, making it ideal for both local and general communication use.

Constructed using quality aluminium, steel, fibreglass and copper materials, the antenna features a tapered fibreglass whip and radial with internal helical winding for improved durability and performance.

Features

• Compact 1/4 Wave Boomerang Antenna
• Suitable for CB & 10m Operation
• Ideal for Balcony & Temporary Installations
• Omni-Directional Radiation Pattern
• Factory Tuned Mid-Band
• Adjustable Frequency Tuning
• Internal Helical Winding Design
• Lightweight & Easy to Install
• Durable Fibreglass Construction
• SO239 Connection

Specifications

• Brand: Sirio
• Model: Boomerang A
• Antenna Type: 1/4 Wave Boomerang
• Frequency Range: 27 – 28.5 MHz
• Operation: Mono-Band
• Radiation Pattern: Omni-Directional
• Gain: 2.15 dBi
• Bandwidth @ SWR 2:1: 700 KHz
• SWR at Resonance: ≤ 1.2:1
• Maximum Power:
  • 150 Watts Continuous (CW)
  • 450 Watts Short Duration (CW)
• Feed System: Direct / Centre
• Connector: SO239
• Materials:
  • Aluminium
  • Steel
  • Nylon
  • Glass Fibre
  • Copper
• Wind Load: 23 N at 150 Km/h
• Wind Resistance: 140 Km/h
• Wind Surface Area: 0.02 m²
• Length: Approx. 2870 mm
• Weight: Approx. 800 g