Between SIM100S32E and PC , i want to tranfer data . Now i am able to send the data from my gprs module to the pc ( on PC application is listening on particular port no) and i am getting the data on my pc also...but from my pc to gprs module when i am sending data will i come to kow that my gprs module has recieved data. WHICH ARE THE AT COMMANDS TO BE USED FOR CHECKING whether data has arrived in GPRS and how to get the data?