Installation Manual

GCT LTE Module Software Development Guide
Version V2.2
Aquila Confidential
Page14of27
5.1 Check attach status
(1)AT+CFUN?
+CFUN:1
(2) AT+CGATT?
+CGATT:1
OK
(3) AT+CEREG?
+CEREG: 2,5,"0001","00000007",7
OK
(4)AT+CGACT?
+CGACT:1,3
5.2 Special status check
If the gct module can not auto attach,please check status:
AT+CGATT?
(Attach manually. When the network is available, the module can be attached manually.)
AT+CGPADDR
(Look up obtained IP address.)
5.3 PDN config
For PDN,we need to config the parameters:pdptype,apnname, auth_type, username, password
1.configpdptype, apnname
AT+CGDCONT=${gct_cid},${pdptype},${ apnname }
2.configauth_type, username, password
A. when the value of auth_type is NONE , means ${auth_type}=0
AT+CGAUTH=${gct_cid}, 0
B. when the value of auth_type is PAP, means ${auth_type}=1
AT+CGAUTH=${gct_cid},${auth_type},${username},${password}
C. when the value of auth_type is CHAP,means ${auth_type}=2
AT+CGAUTH=${gct_cid},${auth_type},${username},${password}