Skyworks SKY66430-11, Руководство пользователя

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SKY66430-11 / SQN66430-11 SiP • Evaluation Board User Manual V1.2
6.0 Connecting the Board to a Network
Refer to the Sequans AT Command Reference Manual and Monarch Module Use cases with AT commands for more details.
If you have access to an LTE-M 4G network or similar:

Connect the RF cable or the antenna to the RF port of the board

Configure bands to be scanned – AT+SQNBANDSEL=0,”standard”,”2,4,12
- 2,4,12 is used as an example to attach to AT&T bands for a device in the United States

Insert your SIM card in the SIM slot (cf Board Preparation)

To check the SIM card state:
- From the terminal, enter:
- AT+CFUN=4
- AT+CPIN?
- The SIM card will be read when the UE is in +CFUN=1 or +CFUN=4 states.
- The response will be:
+CPIN: < code >
< code > = Ready : SIM card is present and unlocked
< code > =SIM PIN : Modem is waiting SIM PIN to be entered
< code > = SIM PUK : Modem is waiting SIM PUK to be given
or ERROR, when SIM is not inserted or not detected

From the terminal, enter AT+CEREG=1
- This command will allow getting notification every time there is a change of the network registration status

From the terminal, enter AT+CFUN=1

The response will be:
- OK
- Followed by:
CEREG=< stat >
< stat >=0 : Modem is not registered and is not currently searching an operator to register to
Possible cause: SIM card error or registration ongoing
< stat >=1 : Modem is registered on network -board connected-
< stat >=2 : Modem is not registered, but is currently trying to attach or is searching for an operator to register to
Possible causes:
No network available
Available networks have bad coverage
PLMN available but the registration is rejected