360-degree omnidirectional digital terrestrial TV antenna, 4K HDTV compatible, with signal booster. - Brand: HELVAK - Model: Digital Terrestrial TV Antenna Enhanced Model - Reception Range: 500KM - Compatibility: 4K HDTV - Features: 360-degree omnidirectional reception - Signal Booster: Included - Connection Port: IEC type connection - Power Adapter: Included Thank you for viewing. Used for about six months. There were no problems with the operation. However, the reception sensitivity varies depending on the antenna direction. All channels were received when the antenna angle was adjusted.