User Manual
Yifan Industry Co., Ltd.
Page 25 of 41
Tel: +86 592 5222813 Fax:+86 592 6101492
Email: [email protected] , [email protected]
Website: www.yifanwireless.com
AT Command of APN:
AT+APN=xxxx
xxxx: access point name
AT Command of Username:
AT+USERNAME=xxx
xxx
：
username
AT Command of Password:
AT+PASSWORD=xxx
xxx
：
password
AT Command of Call Center:
AT+CENT=xxx
xxx: call center phone number of ISP
◆
SMS Center
Your local SMS center number
AT Command:
AT+SMSC=xxx
xxx: your local SMS center number
◆
Heartbeat Interval
Time interval sent heartbeat packet. (unit is second)
AT Command:
AT+POLLTIME=xxx
xxx: heartbeat packet time interval
◆
Call Trigger Phone No
