A681 是一款笔形数字USB电视棒。可在电脑或笔记本上观看并录制ATSC/Clear QAM信号。其时尚紧凑的设计让观影体验轻松有趣。无论何时何地，都能随时享受A681带来的娱乐！本产品完全兼容ATSC数字电视标准。
ATSC is free-to-air digital TV for North America and typically requires an antenna for reception. There is no monthly fee for ATSC HD TV
Clear QAM allows users to watch unencrypted HDTV stations without requiring a cable TV set top box
Despite the small size and built with a full-size coaxial plug, this little wonder does not require an adapter to connect an aerial.Simply connect to your TV aerial to receive the great variety of free-to-view TV programs that are broadcast over-the-air.
Record digital HD TV in one quality setting. The digital stream is recorded unaltered for full quality digital content as encoded by the broadcaster. also supports multilingual programming.
Compatible with Mac, Windows and Linux computer, netbook or laptop, support Plex.
By using Google’s TIF and Live Channels application, you can plug our TV Tuner to any Android TV OS device for watching free to air Digital TV.
| 输入信号 | 75欧姆数字电视天线输入 |
| 接收频率：电视频段 54~862MHz | |
| MHz ATSC兼容 8-VSB | |
| 开放式有线电视、ANSI/SCTE DVS-031、ITU-T J.83附录B及DOCSIS兼容 64/256 QAM | |
| 解复用 | 最大分段滤波数量：32PIDS |
| 引擎：软件 | |
| 流捕获：PES & TS | |
| 录制格式 | 视频格式：MPEG-II主配置文件及主级别/H.264 |
| 音频格式：MPEG-II音频层I及II/AAC | |
| 支持驱动系统 | Windows XP/Vista/7/8 操作系统 |
| Linux 操作系统 | |
| Android 操作系统 | |
| 支持软件 | HiDTV |
| Total Media3. | |
| 配件 | A681 USB加密狗 |
| ATSC天线 | |
| 遥控器 | |
| 软件光盘（含PDF用户手册） | |
| 快速安装指南 |
