CB balcony antennas — Sirio
Sirio Boomerang A balcony 360 cm
1/4 λ ground plane CB balcony antenna, 26.8–27.6 MHz, 300 W, height 360 cm
The Sirio Boomerang A is a boomerang-shaped 1/4 λ ground plane CB antenna, compact and omnidirectional, designed for balconies and small spaces. It is tunable from 26.8 to 27.6 MHz and about 360 cm tall.
Product description
The updated version has a shorter radial and handles up to 300 W.
Key features
Compact
Only 360 cm tall.
300 W
Increased power in the new version.
800 kHz
Bandwidth at SWR 2.
Compatibility and notes
Power values indicate the antenna's power handling. On the CB band, the maximum power allowed by regulations must be respected.
Technical specifications
| Type | 1/4 λ ground plane boomerang |
| Frequency | 26.8–27.6 MHz tunable |
| Gain | 0 dBd · 2.15 dBi |
| Bandwidth (SWR 2) | 800 kHz |
| Power | 300 W CW continuous · 900 W CW short-term |
| Connector | UHF female (SO-239) |
| Materials | Aluminium, copper, galvanised steel, fibreglass, nylon |
| Height | approx. 3600 mm |
| Weight | approx. 780 g |
| Mounting | On mast or railing |
| Sirio code | 2101101.00 |
HamRadioShop | CB balcony antennas
