Hi, I’m testing on ublox EVK-R4 module with SARA-R410M-02B adapter board for connecting with LTE-M base station, but I can not register and access to the base station successfully. Could you help me for solving this problem ?
Thanks in advance.
The following are the results of running the full modem diagnostic :
AT
OK
Successful response for AT query…
ATI
Manufacturer: u-blox
Model: SARA-R410M-02B
Revision: L0.0.00.00.05.08 [Apr 17 2019 19:34:02]
SVN: 03
IMEI: 352753091028629
OK
AT+CGMI
u-blox
OK
Manufacturer : u-blox
AT+CGMM
SARA-R410M-02B
OK
Model Number : SARA-R410M-02B
AT+GMM
SARA-R410M-02B
OK
AT+CPIN?
+CPIN: READY
OK
SIM is ready
AT+CCID
+CCID: 8981300999999000006
OK
ICCID of the SIM is +CCID: 8981300999999000006
AT+CRSM=176,28539,0,0,12
+CRSM: 144,0,“02F80102F81002F85102F861”
OK
AT+CFUN?
+CFUN: 1
OK
Device has Full functionality.
AT+CSQ
+CSQ: 99,99
OK
Signal Strength is unknown. Device is not able to acquire any network. Check if device has a valid SIM.
AT+CREG?
+CREG: 0,0
OK
The device is not registered and is currently NOT searching for a new operator to which to register.
AT+CGREG?
+CGREG: 0,4
OK
Registration status is unknown.
AT+CGDCONT?
+CGDCONT: 1,“IPV4V6”,"",“0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0”,0,0,0,0
+CGDCONT: 2,“IPV4V6”,“vzwadmin”,“0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0”,0,0,0,0
+CGDCONT: 3,“IPV4V6”,“VZWINTERNET”,“0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0”,0,0,0,0
+CGDCONT: 4,“IPV4V6”,“vzwapp”,“0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0”,0,0,0,0
+CGDCONT: 6,“IPV4V6”,“VZWCLASS6”,“0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0”,0,0,0,0
OK
Following connection profiles are available,
CID-> 1
PDP Type->IPV4V6
APN->
PDP Address->0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0
Data Compression->0
Header Compression->0
CID-> 2
PDP Type->IPV4V6
APN->vzwadmin
PDP Address->0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0
Data Compression->0
Header Compression->0
CID-> 3
PDP Type->IPV4V6
APN->VZWINTERNET
PDP Address->0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0
Data Compression->0
Header Compression->0
CID-> 4
PDP Type->IPV4V6
APN->vzwapp
PDP Address->0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0
Data Compression->0
Header Compression->0
CID-> 6
PDP Type->IPV4V6
APN->VZWCLASS6
PDP Address->0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0
Data Compression->0
Header Compression->0
AT+CGACT?
+CGACT: 1,0
+CGACT: 2,0
+CGACT: 3,0
+CGACT: 4,0
+CGACT: 6,0
OK
AT+COPS?
+COPS: 0
OK
AT+COPS=?
+COPS: (1,“208 92”,“208 92”,“20892”,7),(0,1,2,3,4),(0,1,2)
OK
Available Networks:
Network Name->208 92
Network ID->20892
Network Status->Available
Networks found
Also can not chose radio access technology
AT+URAT?
+CME ERROR: Operation not supported
AT+URAT=7,7
+CME ERROR: Operation not supported
can not set the band
AT+UBANDMASK?
+CME ERROR: Operation not supported