我尝试使用 FIBOCOM 调制解调器通过 AT 命令连接互联网。顺序如下。我得到了关于 AT+COPS 的不同技术,例如针对运营商的技术。但我想我不能再进一步了。
_serialPort.Write("AT\r");
Thread.Sleep(2000);
_serialPort.Write("ATZ\r");
Thread.Sleep(2000);
_serialPort.Write("ATE0+CMEE=1;+CREG=2\r");
Thread.Sleep(2000);
_serialPort.Write("AT+CPIN?\r");
Thread.Sleep(2000);
_serialPort.Write("AT+CSQ\r");
Thread.Sleep(2000);
_serialPort.Write("AT+CREG?\r");
Thread.Sleep(2000);
_serialPort.Write("AT+CSQ\r");
Thread.Sleep(2000);
_serialPort.Write("AT+CMGF=0\r");
Thread.Sleep(2000);
_serialPort.Write("AT+CIMI\r");
Thread.Sleep(2000);
_serialPort.Write("AT+CGSN\r");
Thread.Sleep(2000);
_serialPort.Write("AT+CPMS?\r");
Thread.Sleep(2000);
_serialPort.Write("AT+CGDCONT=1,\"IP\",\"infoteks\",\"0.0.0.0\",0,0\r");
Thread.Sleep(2000);
_serialPort.Write("AT+CGQMIN=1,1,0,0,4,31\r");
Thread.Sleep(2000);
_serialPort.Write("ATD*99***1#\r");
Thread.Sleep(2000);
完成此序列后,我收到了这些报告
CONNECT
~^Y}#A!}!}!} }8}....
~^Y}#A!}!}!} }8}....
~^Y}#A!}!}!} }8}....
~^Y}#A!}!}!} }8}....
~^Y}#A!}!}!} }8}....
~^Y}#A!}!}!} }8}....
~^Y}#A!}!}!} }8}....
~^Y}#A!}!}!} }8}....
NO CARRIER
我该怎么办?
命令是 AT+MIPCALL=1,"APN"/r
apn 是接入点名称,如果您给出正确的名称,它将返回 ok 最多 20 秒后,它将返回连接的 IP 地址