Professional VHF antennas — Sirio
Sirio SPO-145-2 145–175 MHz
Professional 1/2 λ wideband base antenna, no tuning, N connector
The Sirio SPO-145-2 is a professional wideband half-wave base antenna for 145–175 MHz, with no tuning required: suitable for repeaters, amateur radio stations, the VHF marine band and commercial use.
Product description
It covers the 2 m amateur band, the VHF marine band, ORBCOMM M2M and ISM 169 MHz. It is DC grounded for protection against static discharges.
Key features
Wideband
145–175 MHz with SWR ≤ 1.5, no tuning.
Professional
Anodised aluminium, stainless steel, fibreglass.
Protection
DC-ground.
Specifications
| Type | 1/2 λ, omnidirectional, vertical polarisation |
| Frequency | 145–175 MHz (SWR ≤ 1.5) |
| Gain | 0 dBd / 2.15 dBi |
| Maximum power | 100 W CW |
| Protection | DC-ground |
| Connector | N female |
| Height | approx. 1380 mm |
| Weight | approx. 1.3 kg |
| Mounting | On mast |
HamRadioShop | Professional antennas
