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...	...	@@ -994,7 +994,7 @@
994	994
995	995	(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
996	996
997		-[[image:image-20220610174917-9.png]]
	997	+[[image:image-20220610105907-1.png]]
998	998
999	999
1000	1000	(% style="color:#037691" %)**Downlink Command: 0x06**
...	...	@@ -1008,27 +1008,48 @@
1008	1008
1009	1009
1010	1010
1011		-= 4.  FAQ =
1012	1012
1013		-== 4.1  What is the frequency plan for LDDS75? ==
	1012	+= 6.  Use AT Command =
1014	1014
1015		-LDDS75 use the same frequency as other Dragino products. User can see the detail from this link:
	1014	+== 6.1  Access AT Commands ==
1016	1016
	1016	+LLDS12 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LLDS12 for using AT command, as below.
1017	1017
	1018	+[[image:1654593668970-604.png]]
1018	1018
1019		-== 4.2  How to change the LoRa Frequency Bands/Region ==
	1020	+**Connection:**
1020	1020
1021		-You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1022		-When downloading the images, choose the required image file for download. ​
	1022	+(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
1023	1023
	1024	+(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
1024	1024
	1026	+(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
1025	1025
1026		-== 4.3  Can I use LDDS75 in condensation environment? ==
1027	1027
1028		-LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
	1029	+(((
	1030	+(((
	1031	+In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12.
	1032	+)))
1029	1029
	1034	+(((
	1035	+LLDS12 will output system info once power on as below:
	1036	+)))
	1037	+)))
1030	1030
1031	1031
	1040	+ [[image:1654593712276-618.png]]
	1041	+
	1042	+Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
	1043	+
	1044	+
	1045	+= 4.  FAQ =
	1046	+
	1047	+== 4.1  How to change the LoRa Frequency Bands/Region ==
	1048	+
	1049	+You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
	1050	+When downloading the images, choose the required image file for download. ​
	1051	+
	1052	+
1032	1032	= 5.  Trouble Shooting =
1033	1033
1034	1034	== 5.1  AT Commands input doesn’t work ==

image-20220610174917-9.png

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1		-XWiki.Xiaoling

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