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...	...	@@ -1256,6 +1256,12 @@
1256	1256	1） Make Sure the device is in Open Area where can see the sky.
1257	1257	2)  Set PDOP to a higher value.
1258	1258
	1259	+ AT+PDOP=2(can be positioned precisely.）
	1260	+
	1261	+ AT+PDOP=7(Quickly locate in open spaces）
	1262	+
	1263	+ AT+PDOP=14.7(Positioning can be acquired in complex environments）
	1264	+
1259	1259	Please refer to this [[link>>http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/TrackerD/#H3.2.9SetPDOPvalueforGPSfixaccuracy]] on how to set up PDOP
1260	1260	)))
1261	1261