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...	...	@@ -16,50 +16,45 @@
16	16
17	17	LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
18	18
19		-
20	20	== Features ==
21	21
22		-* Support LoRaWAN v1.0.4 protocol
23		-* Support peer-to-peer protocol
24		-* TCXO crystal to ensure RF performance on low temperature
25		-* SMD Antenna pad and i-pex antenna connector
26		-* Available in different frequency LoRaWAN frequency bands.
27		-* World-wide unique OTAA keys.
28		-* AT Command via UART-TTL interface
29		-* Firmware upgradable via UART interface
30		-* Ultra-long RF range
31	31
32		-
33	33	== Specification ==
34	34
35		-* CPU: 32-bit 48 MHz
36		-* Flash: 256KB
37		-* RAM: 64KB
38		-* Input Power Range: 1.8v ~~ 3.7v
39		-* Power Consumption: < 4uA.
40		-* Frequency Range: 150 MHz ~~ 960 MHz
41		-* Maximum Power +22 dBm constant RF output
42		-* High sensitivity: -148 dBm
43		-* Temperature:
44		-** Storage: -55 ~~ +125℃
45		-** Operating: -40 ~~ +85℃
46		-* Humidity:
47		-** Storage: 5 ~~ 95% (Non-Condensing)
48		-** Operating: 10 ~~ 95% (Non-Condensing)
49		-* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
50		-* LoRa Rx current: <9 mA
51		-* I/O Voltage: 3.3v
	24	+[[image:image-20220517072526-1.png]]
52	52
53		-== AT Command ==
	26	+Input Power Range: 1.8v ~~ 3.7v
54	54
55		-AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
	28	+Power Consumption: < 4uA.
56	56
	30	+Frequency Range: 150 MHz ~~ 960 MHz
57	57
58		-== Dimension ==
	32	+Maximum Power +22 dBm constant RF output
59	59
60		-[[image:image-20220517072526-1.png]]
	34	+High sensitivity: -148 dBm
61	61
	36	+Temperature:
62	62
	38	+* Storage: -55 ~~ +125℃
	39	+* Operating: -40 ~~ +85℃
	40	+
	41	+Humidity:
	42	+
	43	+* Storage: 5 ~~ 95% (Non-Condensing)
	44	+* Operating: 10 ~~ 95% (Non-Condensing)
	45	+
	46	+LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	47	+
	48	+LoRa Rx current: <9 mA
	49	+
	50	+I/O Voltage: 3.3v
	51	+
	52	+
	53	+== AT Command ==
	54	+
	55	+AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
	56	+
	57	+
63	63	== Pin Mapping ==
64	64
65	65	[[image:image-20220523101537-1.png]]
...	...	@@ -83,52 +83,11 @@
83	83	* **US915**: LoRaWAN US915 band
84	84	* **IN865**: LoRaWAN IN865 band
85	85	* **CN470**: LoRaWAN CN470 band
86		-* **PP**: Peer to Peer LoRa Protocol
87	87
88		-
89		-
90	90	= LA66 LoRaWAN Shield =
91	91
92		-== Overview ==
	84	+LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
93	93
94		-LA66 LoRaWAN Shield is the Arduino shield base on LA66. Users can use LA66 LoRaWAN Shield to rapidly add LoRaWAN or peer-to-peer LoRa wireless function to  Arduino projects.
95		-
96		-
97		-== Features ==
98		-
99		-* Arduino Shield base on LA66 LoRaWAN module
100		-* Support LoRaWAN v1.0.4 protocol
101		-* Support peer-to-peer protocol
102		-* TCXO crystal to ensure RF performance on low temperature
103		-* SMA connector
104		-* Available in different frequency LoRaWAN frequency bands.
105		-* World-wide unique OTAA keys.
106		-* AT Command via UART-TTL interface
107		-* Firmware upgradable via UART interface
108		-* Ultra-long RF range
109		-
110		-
111		-== Specification ==
112		-
113		-* CPU: 32-bit 48 MHz
114		-* Flash: 256KB
115		-* RAM: 64KB
116		-* Input Power Range: 1.8v ~~ 3.7v
117		-* Power Consumption: < 4uA.
118		-* Frequency Range: 150 MHz ~~ 960 MHz
119		-* Maximum Power +22 dBm constant RF output
120		-* High sensitivity: -148 dBm
121		-* Temperature:
122		-** Storage: -55 ~~ +125℃
123		-** Operating: -40 ~~ +85℃
124		-* Humidity:
125		-** Storage: 5 ~~ 95% (Non-Condensing)
126		-** Operating: 10 ~~ 95% (Non-Condensing)
127		-* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
128		-* LoRa Rx current: <9 mA
129		-* I/O Voltage: 3.3v
130		-
131		-
132	132	== Pin Mapping & LED ==
133	133
134	134	== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==