File list (Check if you may need any files):
STC控制GSM发短信(PDU)\51
.....................\51.c
.....................\51.hex
.....................\51.lnp
.....................\51.LST
.....................\51.M51
.....................\51.OBJ
.....................\51_Opt.Bak
.....................\51.plg
.....................\51_Uv2.Bak
.....................\STARTUP.A51
.....................\STARTUP.LST
.....................\STARTUP.OBJ
.....................\51.Uv2
.....................\51.Opt
STC控制GSM发短信(PDU)