With 24 equivalent 36MHz band-width transponders for C-Band and Ku-Band respectively, the predicted life of "ChinaStar-1" satellite is over 15 years. The commercial communication satellite bus of the 21st century is newly designed by Lockheed Martin Corporation , with characteristics of modularization design , high reliability, great degree of intelligence , convenient and flexible operation for TT&C , high power , high receiving sensitivity, and being capable to support varied communication service. "ChinaStar-1" satellite can cover China , South , West , East, Central , and Southeast Asia , with its main task as to ensure the post and telecommunication public network communication , VSAT private network communication for major ministries and commissions and big corporations , broadcast and TV service , solve communication difficulties in remote areas, and provide neighboring countries with communication service.