Sirio Antenna m400 Sirio Starduster M-400 26.5 Tunable Base Antenna
- Base station antenna unity-gain, omnidirectional low radiation angle for excellent dx high power handling capability made of aluminum alloy.
- Type: 1/4 wavelength boomerang frequency range: tunable from 26.5 to 30 MHz impedance: 50 ohms.
- Radiation (h-plane): 360° omnidirectional polarization: linear vertical gain: 0 DBD, 2.15 DBI bandwidth @ SWR = 2000 KHZ @ 26.5 MHz.