Example; Checking Network Registration; Sending And Receiving Data; Connecting Device To Tcp Server As Tcp Client - Multitech MultiConnect microCell User Manual

CONFIGURING AND COMMUNICATING WITH YOUR DEVICE

Example

A example response to AT+CSQ:
+CSQ: 15,1

Checking Network Registration

Before establishing a packet data connection, verify the is device registered on the network. To do this enter the
network registration report read command:
AT+CEREG?
If the device returns:
+CEREG: 0,1
or
+CEREG: 0,5
The device is registered.
If the device returns:
+CEREG: 0,2
The device is in a network searching state.
If the device returns:
+CEREG: 0,3
The registration is denied.
If the device returns:
+CEREG: 0,0
The device is not currently attempting to register to a network.

Sending and Receiving Data

Connecting Device to TCP Server as TCP Client

To send data through a connect socket:
1. Define PDP Content (APN for SIM)
Enter
AT+CGDCONT=1,"IPV4V6","APN_NAME"
where APN_NAME is the APN your cellular provider assigned to your SIM card.
The device responds with OK
2. Bring up Data Connection Using Internal IP stack
Enter:
Verizon:
18
®
MultiConnect microCell MTCM-LNA3 User Guide