AT			AT Test Command	OK
ATE			ATE1 set echo
			ATE0 close echo	OK
AT+CGMI			查询模块制造商	OK
AT+CGMM			查询模块模型	OK
AT+CGSN			查询产品序列号	OK
AT+CSUB			查询模块版本和芯片	OK
AT+CGMR			查询固件版本序列号	OK
AT+IPREX		设置模块硬件串口波特率	+IPREX:OK
AT+CRESET		复位模块	OK
AT+CSQ			网络信号质量查询，返回信号值	+CSQ: 17,99OK
AT+CPIN?		查询SIM卡状态并返回READY，表示SIM卡可以正常识别 +CPIN: READY
AT+COPS?		查询当前运营商，组网正常后返回运营商信息	+COPS:OK
AT+CREG?		查询网络注册状态	+CREG:OK
AT+CPSI?		查询UE系统信息
AT+CNMP?		网络模式选择命令：
				2  Automatic
				13 GSM only
				14 WCDMA Only
				38 LTE only
				48 Any modes but LTE
				54 WCDMA+LTE Only
				55 WCDMA+LTE+NR5G
				71 NR5G
				109 LTE+NR5G
				
自动拨号
默认
[16:40:27.981]收←◆AT+CUSBCFG?
USBADB: 0
USBID: 0X1E0E,0X9001
改为
AT+CUSBCFG=usbid,1e0e,901e
			
AT+CPCIEMODE=? 获取或设置PCIE模式
AT+CPCIEMODE?
AT+CPCIEMODE=<mode>			
<mode>  EP 	 EP   mode
		HOST HOST mode
		
切换PCIE模式为EP后 模块无法使用 COM驱动变成android
使用ADB还原  echo -e "AT+CPCIEMODE=HOST\r\n" > /dev/smd8

AT+CREG 	Network Registration
AT+COPS 	Operator selection
AT+CLCK 	Facility lock
AT+CPWD 	Change password
AT+CCUG 	Closed User Group
AT+CUSD 	Unstructured supplementary service data
AT+CAOC 	Advice of Charge
AT+CSSN 	Supplementary service notifications
AT+CPOL 	Preferred operator list
AT+COPN 	Read operator names
AT+CNMP 	Preferred mode selection
AT+CPSI 	Inquiring UE system information
AT+CNSMOD 	Show network system mode
AT+CEREG 	EPS network registration status
AT+CTZU 	Automatic time and time zone update
AT+CTZR 	Time and time zone reporting
AT+CNWINFO 	Inquiring extra network info
AT+C5GREG 	NR5G network registration status
AT+CSYSSEL 	Set system selection pref
AT+CCELLCFG 	Set lte cell configuration
AT+C5GCELLCFG 	Set NR5G cell configuratio