Triple Play MMDS 1. short period of construction, it only takes 6 days from the construction of the headend system to the completion of the launch 2. less investment, it doesn't need a lot of cables and the maintenance of the line 3. farther coverage in the case of the sufficient height of the transmission tower, it could cover directly 100 km, and could also cover 200 km via relay 4. more contents of programs, it could convey more than 100 sets of programs of SD or HD 5. supporting more affairs, it supports the service access of Internet and VolP. 6. more spectrums to be selected, you could choose from any bandwidth of the following 2.1 to 2.3 ; 2.3 to 2.5; 2.5 to 2.7 Ku Band. 7. STB supports PPV, PPT, NVOD and E-mail Free service of the installation and the training