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85	85	* **CN470**: LoRaWAN CN470 band
86	86	* **PP**: Peer to Peer LoRa Protocol
87	87
88		-
89		-
90	90	= LA66 LoRaWAN Shield =
91	91
92		-== Overview ==
	90	+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. ==