Below is a chart of comparisons for DVB-S2 USB TV Box TBS QBOX2,TBS QBOX3 and TBS 5922. From the table, you could see clearly the difference between the 3 versions and then choose the most suitable USB TV Qbox for you.
| Comparisons for TBS QBOX Series QBOX2,QBOX3 and 5922 |
 TBSQBOX2 |
 TBSQBOX3 |
 TBS5922 |
| Main Features | |||
| Blind scan | × | Under improvement | √ |
| DVB S/S2 | √ | √ | √ |
| Frequency | 925~2175 MHz | 925~2175 MHz | 925~2175 MHz |
| Input level | -69~23dBm | -69~23dBm | -69~23dBm |
| Symbol Rates DVB-S2 QPSK | 20-30Msps | 1-45Msps | 1-45Msps |
| Symbol Rates DVB-S2 8PSK | 10-30Msps | 1-45Msps | 1-45Msps |
| Code rate QPSK | √ | √ | √ |
| Code rate 8PSK | √ | √ | √ |
| DVB-S2/DVB-S DIRECTV 8PSK QPSK Demodulator | √ | √ | √ |
| Chipset | CX24118A+CX24116
+CY7C68013 |
CX24118A+TDA1007
+CY7C68013 |
AV2011+TAS2100
+CY7C68013A |
| System Requirement | |||
| Windows 2000/XP/Vista Linux | √ | √ | √ |
| Windows 7 Media center compatible | √ | √ | √ |
| Ready to buy | |||
| Price | $78.99 | $98.99 | $88.99 |
| Buy Now | Buy TBSQBOX2 | Buy TBSQBOX3 | Buy TBS5922 |
