NB-IoT Module Series
BC95 AT Commands Manual
BC95_AT_Commands_Manual Confidential / Released 56 / 58
+NNMI //Receive a downstream message.
AT+NQMGR //Query whether messages is received.
BUFFERED=1,RECEIVED=0,DROPPED=0
OK
AT+NMGR //Get messages.
2,AABB
OK
AT+NQMGR //Query whether messages is received.
BUFFERED=0,RECEIVED=1,DROPPED=0
OK
7.3. UDP Messages
The following shows a simple example of sending, receiving and reading a UDP message. Once the
socket is closed, no replies will be received.
AT+NSOCR= DGRAM,17,5683,1 //Create socket
0
OK
AT+NSOST=0,192.53.100.53,5683,25,400241C7B17401724D0265703D323031363038323331363438
//Send messages
0,25
OK
+NSONMI:0,4 //Receive messages
AT+NSORF=0,4 //Read messages
0,192.53.100.53,5683,4,60A041C7,0
OK
AT+NSOCL=0 //Close socket
OK