CB base antennas — Sirio
Sirio New Tornado 27 5/8 λ
5/8 wave base vertical antenna for the CB band, 27–30 MHz, 7.23 m, 1,000 W
The Sirio New Tornado 27 is a 5/8 wave base vertical antenna for the CB band, tunable from 27 to 30 MHz, 7.23 m tall and able to handle 1,000 W continuous.
Product description
It is omnidirectional, made of 6063 T-832 aluminium alloy, with joints protected by waterproof sleeves. It is tuned by adjusting its length.
Key features
5/8 wave
3.35 dBi gain.
Wide bandwidth
Over 1300 kHz with SWR ≤ 2.
High power
1,000 W continuous, 3,000 W for short periods.
Specifications
| Type | Ground plane 5/8 λ |
| Frequency | 27–30 MHz, tunable |
| Gain | 1.2 dBd / 3.35 dBi |
| Bandwidth | ≥ 1300 kHz with SWR ≤ 2 |
| Maximum power | 1,000 W CW continuous · 3,000 W CW for short periods |
| Connector | UHF female |
| Height | approx. 7.23 m |
| Weight | approx. 2.9 kg |
| Mast | Ø 35–42 mm |
| Materials | 6063 T-832 aluminium, steel, nylon |
HamRadioShop | CB antennas
