Introduction - If you have any usage issues, please Google them yourself
The controls apply to Wavecom module, as well as with standard GSM module AT commands can be used to send and receive the message when they are using multi-threading, sending and receiving of both the successes and failures to provide the return value is the current network the most powerful message to send and receive control free! Since think! Haha! After this control message be more than 400 mass testing, did not find any problems!