Sirio Antenna 827 (26.4-28.4 MHz) 5/8 Wave 3000W Tunable 10M & CB Base Antenna Base station antenna, omnidirectional high power handling capability low radiation angle Type: 5/8 ground plane frequency range: tunable from 26.4 to 28.4 MHz impedance: 50 radiation (h-plane): 360 omnidirectional polarization: linear vertical Gain: 1.5 dbd, 3.65 dbi bandwidth @ SWR 2: 2000 kHz SWR @ res. Freq.: 1.1 Max. Power: 1000 watts (CW) continuous 3000 watts (CW) short time feed system / position: transformer dc-ground / base connector: uhf-female