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...	...	@@ -1086,8 +1086,12 @@
1086	1086	* **Example 1**: Downlink Payload: **2101** ~/~/ set packet receiving response level to 1
1087	1087	* **Example 2**: Downlink Payload: **2102** ~/~/ set packet receiving response level to 2
1088	1088
1089		-== 7.24 Set retransmission packets（LWS007) ==
	1089	+== 7.24 Uplink fcnt settings（LWS007) ==
1090	1090
	1091	+{{info}}
	1092	+**AT Command: AT+CFM**
	1093	+{{/info}}
	1094	+
1091	1091	(% border="1" style="background-color:#ffffcc; color:green; width:710.222px" %)
1092	1092	|=(% colspan="3" style="width: 707px;" %)AT+CFM
1093	1093	|(% style="width:160px" %)**Command Example**|(% style="width:198px" %)**Function**|(% style="width:349px" %)**Response**
...	...	@@ -1120,9 +1120,110 @@
1120	1120	)))
1121	1121
1122	1122	{{info}}
1123		-**AT Command: AT+CFM**
	1127	+**Downlink Command: 0x05**
1124	1124	{{/info}}
1125	1125
	1130	+Format: Command Code (0x05) followed by 2 bytes mode value.
	1131	+
	1132	+If the downlink payload=05010101, it means set end node to use confirm mode, while type code is 05.
	1133	+
	1134	+* Example 1: Downlink Payload: 05010101 ~/~/ Set AT+CFM=1,1,1
	1135	+* Example 2: Downlink Payload: 05000700 ~/~/ Set AT+CFM=0,7,0
	1136	+
	1137	+== 7.25 Controls NBTrans in unconfirmed uplink mode（LWS007 NBTrans:Set retransmission packets) ==
	1138	+
	1139	+{{info}}
	1140	+**AT Command: AT+SETMAXNBTRANS **
	1141	+{{/info}}
	1142	+
	1143	+(% border="1" style="background-color:#ffffcc; color:green; width:536.222px" %)
	1144	+|=(% colspan="3" style="width: 533px;" %)AT+**SETMAXNBTRANS**
	1145	+|(% style="width:160px" %)**Command Example**|(% style="width:263px" %)**Function**|(% style="width:109px" %)**Response**
	1146	+|(% style="width:160px" %)**AT+SETMAXNBTRANS=1，0**|(% style="width:263px" %)Value1: set the maximum NBTrans.|(% style="width:109px" %)1(((
	1147	+OK
	1148	+)))
	1149	+|(% style="width:160px" %)**AT+SETMAXNBTRANS=？，1**|(% style="width:263px" %)value2: 0: uplink fcnt doesn't change for each NBTrans; 1: uplink fcnt increase by 1 for each NBTrans.|(% style="width:109px" %)(((
	1150	+1
	1151	+
	1152	+OK
	1153	+)))
	1154	+
	1155	+{{info}}
	1156	+**Downlink Command: 0x33**
	1157	+{{/info}}
	1158	+
	1159	+Format: Command Code (0x33) followed by 2 bytes mode value.
	1160	+
	1161	+If the downlink payload=330100, it means set end node to use confirm mode, while type code is 33.
	1162	+
	1163	+* Example 1: Downlink Payload: 330100 ~/~/ Set AT+SETMAXNBTRANS=1,0
	1164	+* Example 2: Downlink Payload: 330201 ~/~/ Set AT+SETMAXNBTRANS=2,1
	1165	+
	1166	+== 7.26 Device offline rejoining （LWS007) ==
	1167	+
	1168	+{{info}}
	1169	+**AT Command: AT+DDETECT**
	1170	+{{/info}}
	1171	+
	1172	+(% border="1" style="background-color:#ffffcc; color:green; width:710.222px" %)
	1173	+|=(% colspan="3" style="width: 707px;" %)AT+**DDETECT**
	1174	+|(% style="width:160px" %)**Command Example**|(% style="width:198px" %)**Function**|(% style="width:349px" %)**Response**
	1175	+|(% style="width:160px" %)(((
	1176	+AT+DDETECT=1,1440,2880
	1177	+
	1178	+value1
	1179	+)))|(% style="width:198px" %)Enable online detect|(% style="width:349px" %)(((
	1180	+1
	1181	+
	1182	+OK
	1183	+)))
	1184	+|(% style="width:160px" %)(((
	1185	+AT+DDETECT=1,?,2880
	1186	+
	1187	+value2
	1188	+)))|(% style="width:198px" %)Online detection packet sending time|(% style="width:349px" %)(((
	1189	+
	1190	+
	1191	+OK
	1192	+)))
	1193	+|(% style="width:160px" %)(((
	1194	+AT+DDETECT=1,1440,？
	1195	+
	1196	+value3
	1197	+)))|(% style="width:198px" %)Process rejoin|(% style="width:349px" %)(((
	1198	+
	1199	+
	1200	+OK
	1201	+)))
	1202	+
	1203	+{{info}}
	1204	+**Downlink Command: 0x33**
	1205	+{{/info}}
	1206	+
	1207	+Format: Command Code (0x32) followed by 2 bytes mode value.
	1208	+
	1209	+If the downlink payload=320105A00B40, it means set end node to use confirm mode, while type code is 33.
	1210	+
	1211	+* Example 1: Downlink Payload: 320105A00B40 ~/~/ Set AT+DDETECT=1,1440,2880
	1212	+
	1213	+== 7.27 Request the server to send an ACK ==
	1214	+
	1215	+{{info}}
	1216	+**AT Command: AT+PNACKMD**
	1217	+{{/info}}
	1218	+
	1219	+(% border="1" style="background-color:#ffffcc; color:green; width:536.222px" %)
	1220	+|=(% colspan="3" style="width: 533px;" %)**AT+PNACKMD**
	1221	+|(% style="width:160px" %)**Command Example**|(% style="width:263px" %)**Function**|(% style="width:109px" %)**Response**
	1222	+|(% style="width:160px" %)**AT+PNACKMD=1**|(% style="width:263px" %)If the node uploads the ACK as confirm, it will request the server to send an ACK. If the server ack is not received, the node will upload the packets that have not received the ACK the next time it receives the ACK|(% style="width:109px" %)1(((
	1223	+OK
	1224	+)))
	1225	+|(% style="width:160px" %)**AT+PNACKMD=0**|(% style="width:263px" %)off request the server to send an ACK|(% style="width:109px" %)(((
	1226	+0
	1227	+
	1228	+OK
	1229	+)))
	1230	+
1126	1126	= 8. AT Commands Combination =
1127	1127
1128	1128	== 8.1 Set a fix RX2DR for downlink window ==