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...	...	@@ -2,7 +2,7 @@
2	2	{{toc/}}
3	3	{{/box}}
4	4
5		-= Overview =
	5	+= **1. Overview** =
6	6
7	7	Shipped LT-22222-L is base on LoRaWAN protocol. We also develop a open source Point to Point LoRa protocol for LT-22222-L. The source code and hex file can be found at:
8	8
...	...	@@ -10,6 +10,74 @@
10	10
11	11	== ==
12	12
13		-= Features for this firmware: =
	13	+= **2. Features for this firmware** =
14	14
	15	+
	16	+== **2.1  Overview** ==
	17	+
	18	+[[image:image-20220602111219-1.png]]
	19	+
	20	+
	21	+== **2.2. Configure** ==
	22	+
	23	+(% border="1" style="background-color:#f7faff; color:black; width:500px" %)
	24	+|=**A's configuration**|=**B's configuration**
	25	+|AT+GROUPMOD=0|AT+GROUPMOD=0
	26	+|AT+TXCHS=868700000|AT+TXCHS=869000000
	27	+|AT+RXCHS=869000000|AT+RXCHS=868700000
	28	+|AT+TRIG1=2,50|AT+TRIG1=2,50
	29	+|AT+TRIG2=2,50|AT+TRIG2=2,50
	30	+|AT+DI1TODO1=2|AT+DI1TODO1=2
	31	+|AT+DI1TORO1=2|AT+DI1TORO1=2
	32	+|AT+DI2TODO2=2 |AT+DI2TODO2=2
	33	+|AT+DI2TORO2=2|AT+DI2TORO2=2
	34	+
	35	+(% style="color:#037691" %)**A's configuration:  ** **B's configuration:**
	36	+
	37	+(((
	38	+AT+GROUPMOD=0  AT+GROUPMOD=0
	39	+)))
	40	+
	41	+(((
	42	+AT+TXCHS=868700000  AT+TXCHS=869000000
	43	+)))
	44	+
	45	+(((
	46	+AT+RXCHS=869000000  AT+RXCHS=868700000
	47	+)))
	48	+
	49	+(((
	50	+AT+TRIG1=2,50  AT+TRIG1=2,50
	51	+)))
	52	+
	53	+(((
	54	+AT+TRIG2=2,50  AT+TRIG2=2,50
	55	+)))
	56	+
	57	+(((
	58	+AT+DI1TODO1=2  AT+DI1TODO1=2
	59	+)))
	60	+
	61	+(((
	62	+AT+DI1TORO1=2  AT+DI1TORO1=2
	63	+)))
	64	+
	65	+(((
	66	+AT+DI2TODO2=2  AT+DI2TODO2=2
	67	+)))
	68	+
	69	+(((
	70	+AT+DI2TORO2=2  AT+DI2TORO2=2
	71	+)))
	72	+
	73	+
	74	+== **2.3.  Serial port display** ==
	75	+
	76	+[[image:image-20220602111219-2.png]]
	77	+
	78	+
	79	+[[image:image-20220602111219-3.png]]
	80	+
	81	+If the sender does not get the ACK reply from the receiver, it will retransmit up to 4 times, each interval is 6 seconds, and the UplinkCounter of the retransmission will not increase.
	82	+
15	15