UHF base antennas — Sirio
Sirio CX 425 J-pole 425–440 MHz
UHF base station J-pole 3/4 λ antenna, 605 mm, N connector
The Sirio CX 425 is a 3/4-wave J-pole base station antenna for the 425–440 MHz band, compact (605 mm) and with N connector.
Key features
J-pole 3/4 λ
4.15 dBi gain.
Compact
605 mm, 540 g.
N connector
Low loss on UHF.
Specifications
| Type | J-pole 3/4 λ |
| Frequency | 425–440 MHz |
| Gain | 4.15 dBi |
| Max power | 200 W for short periods |
| E-plane beamwidth | 60° |
| Height | 605 mm |
| Weight | 540 g |
| Connector | N female |
| Mast | 35–42 mm |
HamRadioShop | Base antennas
