剛去看Grand的官網
ㄊ有下面ㄉ輸出，功能很像upmost的dvb 500
不過不知有沒有韌體更新

Grand DVB-T MASTER has Four models:
Mode4
Output:
1. ANTENNA OUT
2. VIDEO OUT
3. S-VIDEO OUT
4. TV AUDIO OUT
5. Y.Cb.Cr / Y.Pb.Pr OUT
6. VGA OUT ( 1024x768 @ 75Hz)
7. AUDIO OUT ( for VGA OUT )
8. USB 1.1/2.0 Interface