Base antennas — Sirio
Sirio CX-4 73 73–78 MHz
3/4 λ J-pole base antenna for 73–78 MHz, 4.15 dBi, 500 W, SO-239 connector
The Sirio CX-4 73 is a 3/4 λ J-pole base station antenna for the 73–78 MHz range, with 4.15 dBi gain and 500 W rated power.
Key features
4.15 dBi
3/4 λ J-pole.
500 W
CW power.
Wide bandwidth
1700 kHz.
Specifications
| Type | 3/4 λ J-pole |
| Frequency | 73–78 MHz |
| Gain | 4.15 dBi |
| Maximum power | 500 W CW |
| Bandwidth | 1700 kHz |
| Height | 3325 mm |
| Weight | 2 kg |
| Connector | UHF female (SO-239) |
| Mast | Ø 35–42 mm |
HamRadioShop | Base antennas
