APN (Access Point Name)

The AT@APN command is used to configure the APN specified by the cellular network operator.

Example:
AT@APN=gl601###,,testapn,,,0,,012F$
+ACK:APN,123456789012345,C031,10,0,,012F,20210407101530,1234$
AT@APN?gl601###,,0C37$
+QRY:APN,123456789012345,C031,10,0,1,1,,testapn,,,0,,0C37,20210407101530,1234$

Parts	Fields	Length (Byte)	Range/Format	Default
Head	Header	3	AT@	AT@
	Command Word	3	APN	APN
	Leading Symbol	1	=	=
	Password	8-16		gl601###
Body	Reserved	0
	APN	<=39	‘0’-‘9’, ‘a’-‘z’, ‘A’-‘Z’, ‘.’, ‘-’
	User Name	<=32
	Password	<=32
	Authentication	1	0-3	0
	Reserved	0
Tail	Sequence Number	4	0000-FFFF (‘0’-‘9’, ‘A’-‘F’)
	Tail	1	$	$

• APN

  Access Point Name. It must only contain Latin letters, numbers, dot and hyphen (A-Z a-z 0-9 . -).

  Note: If the parameter field is empty, the current value of this parameter will be cleared.

• User Name

  The user name of APN. It must only contain visible ASCII characters, and the commas and dollar signs are not allowed.

  Note: If the parameter field is empty, the current value of this parameter will be cleared.

• Password

  The password of APN. It must only contain visible ASCII characters, and the commas and dollar signs are not allowed.

  Note: If the parameter field is empty, the current value of this parameter will be cleared.

• Authentication

  • 0 - None.

  • 1 - PAP authentication.

  • 2 - CHAP authentication.

  • 3 - PAP or CHAP authentication.