
SIRIO THUNDER 27 - Compact Base Station Antenna Without Ground Plane
Features:
- Balcony antenna or fixed installation antenna
- Omnidirectional
- Designed to operate without a Ground Plane
Electrical Data
- Type: Loaded 1/4 λ helical dipole
- Frequency range: 25-29 MHz
- Impedance: 50Ω
- Radiation Pattern (H-plane): 360° omnidirectional
- Polarization: Linear vertical
- Gain: 0 dBd, 2.15 dBi
- Bandwidth @ SWR = 2: = 5000 KHz
- SWR @ res. Freq:. = 1.5
- Max. Power:
100 Watts (CW) continuous
300 Watts (CW) short time
- Feeding system / Position: Direct / Base
- Connector: UHF-female (SO-239)