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60	60	* 64MB RAM
61	61	* 16MB Flash
62	62
63		-
64		-
65	65	(% style="color:#037691" %)**Interface:**
66	66
	65	+
67	67	* 10M/100M RJ45 Ports x 1
68	68	* WiFi : 802.11 b/g/n
69	69	* LoRaWAN Wireless
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72	72	* Mini-PCI E connector x 1
73	73	* SX1302 + 2 x SX1250
74	74
75		-
76		-
77	77	(% style="color:#037691" %)**WiFi Spec:**
78	78
79	79	* IEEE 802.11 b/g/n
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87	87	** 11g 54M : -71dbm
88	88	** 11n 20M : -67dbm
89	89
90		-
91		-
92	92	(% style="color:#037691" %)**LoRa Spec:**
93	93
	89	+
94	94	* Up to -140 dBm sensitivity
95	95	* 70 dB CW interferer rejection at 1 MHz offset
96	96	* Able to operate with negative SNR, CCR up to 9dB
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100	100	* Dynamic data-rate (DDR) adaptation
101	101	* True antenna diversity or simultaneous dual-band operation
102	102
103		-
104		-
105	105	(% style="color:#037691" %)**Cellular 4G LTE (optional):**
106	106
	101	+
107	107	* Quectel [[**EC25 LTE module**>>url:https://www.quectel.com/product/ec25minipcie.htm]]
108	108	* Micro SIM Slot
109	109	* External 4G Sticker Antenna.
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112	112	* MIMO technology meets demands for data rate and link reliability in modem wireless communication systems
113	113
114	114
115		-
116		-
117	117	== 1.3 Features ==
118	118
119	119	* Open Source Embedded Linux system
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133	133	* Lighting Protection
134	134	* Power Consumption:12v ,300-500mA
135	135
136		-
137		-
138		-
139	139	== 1.4 Hardware System Structure ==
140	140
141	141	[[image:1652411641871-482.png||height="416" width="716"]]