Confidential Document
Page
26
of
27
8
8
.
.
C
C
e
e
l
l
l
l
u
u
l
l
a
a
r
r
S
S
e
e
l
l
e
e
c
c
t
t
i
i
n
n
g
g
8
8
.
.
1
1
.
.
A
A
T
T
$
$
F
F
U
U
N
N
C
C
=
=
"
"
U
U
S
S
E
E
N
N
"
"
Q
Q
u
u
e
e
r
r
y
y
o
o
r
r
s
s
e
e
t
t
t
t
h
h
e
e
U
U
S
S
C
C
e
e
l
l
l
l
u
u
l
l
a
a
r
r
Command Description
This command is used to set or query the US Cellular
Syntax
Write Command
AT$FUNC="USEN",<Enable>
Response
$OK
Read Command
N/A
Response
N/A
Parameter Description
Parameters
Description
Data Type
Default
<Enable>
0: AT&T
1: US Cellular
U8
0
Example
Please make sure the SIM is inserted and 12V is provided to AK11 certainly. Then to execute the command below only
after the two beeps sounds is heard. It may take some time (seconds or up to few minutes) to wait for the two beeps)
Change to US Cellular
AT$FUNC="USEN",1
Change to AT&T
AT$FUNC="USEN",0
Remark
MEMO
SERIAL
SMS
GPRS
