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21		-(% style="color:inherit; font-family:inherit; font-size:29px" %)1. Introduction
	21	+(% style="color:inherit; font-family:inherit; font-size:29px" %)1.  Introduction
22	22
23		-== 1.1 What is the LPS8N ==
	23	+== 1.1  What is the LPS8N ==
24	24
25	25
26	26
	27	+(((
27	27	The LPS8N is an (% style="color:#4f81bd" %)**open source LoRaWAN Indoor Gateway**(%%). It lets you bridge LoRa wireless network to an IP network via WiFi, Ethernet, 3G or 4G cellular network. The LoRa wireless allows users to send data and reach extremely long ranges at low data-rates.
	29	+)))
28	28
	31	+(((
29	29	The LPS8N uses (% style="color:#4f81bd" %)**Semtech packet forwarder**(%%) & (% style="color:#4f81bd" %)**LoRaWAN Station connection**(%%) and fully compatible with LoRaWAN protocol. It includes a (% style="color:#4f81bd" %)**SX1302 LoRaWAN concentrator**(%%), which provides 10 programmable parallel demodulation paths.
	33	+)))
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	35	+(((
31	31	LPS8N has (% style="color:#4f81bd" %)**pre-configured standard LoRaWAN frequency bands**(%%) to use for different countries. User can also (% style="color:#4f81bd" %)**customized the frequency bands** (%%)to use in their own LoRa network.
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	39	+(((
33	33	LPS8N can communicate with ABP LoRaWAN end node without LoRaWAN server. System integrator can use it to integrate with their existing IoT Service without set up own LoRaWAN server or use 3rd party LoRaWAN service.
	41	+)))
34	34
35		-
36	36	(((
37	37
38	38	)))
39	39
40		-[[image:1652411526195-923.png||height="494" width="731"]]
	47	+[[image:1656918270059-192.png]]
41	41
42		-== 1.2 Specifications ==
43	43
44		-**Hardware System:**
	50	+== 1.2  Specifications ==
45	45
	52	+
	53	+(% style="color:#037691" %)**Hardware System:**
	54	+
46	46	(((
47	47	Linux Part:
48	48	)))
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51	51	* 64MB RAM
52	52	* 16MB Flash
53	53
54		-**Interface:**
55	55
	64	+
	65	+(% style="color:#037691" %)**Interface:**
	66	+
56	56	* 10M/100M RJ45 Ports x 1
57	57	* WiFi : 802.11 b/g/n
58	58	* LoRaWAN Wireless
59		-* Power Input: 12 ~~ 24 V DC, 2 A
60		-* IEEE 802.3 af compliant PoE port (DC 37  ~~ 57 v)
	70	+* Power Input: 5V DC, 2A, Type C
61	61	* USB 2.0 host connector x 1
62	62	* Mini-PCI E connector x 1
63	63	* SX1302 + 2 x SX1250
64	64
65		-**WiFi Spec:**
66	66
	76	+
	77	+(% style="color:#037691" %)**WiFi Spec:**
	78	+
67	67	* IEEE 802.11 b/g/n
68	68	* Frequency Band: 2.4 ~~ 2.462GHz
69	69	* Tx power:
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75	75	** 11g 54M : -71dbm
76	76	** 11n 20M : -67dbm
77	77
78		-**LoRa Spec:**
79	79
80		-* Up to -140 dBm sensitivity with SX1250 Tx/Rx front-end
	91	+
	92	+(% style="color:#037691" %)**LoRa Spec:**
	93	+
	94	+* Up to -140 dBm sensitivity
81	81	* 70 dB CW interferer rejection at 1 MHz offset
82	82	* Able to operate with negative SNR, CCR up to 9dB
83	83	* Emulates 49 x LoRa demodulators and 1 x (G)FSK demodulator
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86	86	* Dynamic data-rate (DDR) adaptation
87	87	* True antenna diversity or simultaneous dual-band operation
88	88
89		-**Cellular 4G LTE (optional):**
90	90
91		-* Quectel: [[**EC25 LTE module**>>url:https://www.quectel.com/product/ec25minipcie.htm]]
92		-* Standard Size SIM Slot
93		-* 2 x 4G Sticker Antenna.
	104	+
	105	+(% style="color:#037691" %)**Cellular 4G LTE (optional):**
	106	+
	107	+* Quectel [[**EC25 LTE module**>>url:https://www.quectel.com/product/ec25minipcie.htm]]
	108	+* Micro SIM Slot
	109	+* External 4G Sticker Antenna.
94	94	* Up to 150Mbps downlink and 50Mbps uplink data rates
95	95	* Worldwide LTE,UMTS/HSPA+ and GSM/GPRS/EDGE coverage
96	96	* MIMO technology meets demands for data rate and link reliability in modem wireless communication systems
97	97
98		-**Power over Ethernet:**
99	99
100		-* IEEE 802.3af compliant.
101		-* Support wide input voltage range  37Vdc to 57Vdc.
102		-* Thermal cut off.
103		-* Short circuit protection.
104		-* Over current protection
105		-* Isolation level 4 KVrms.
106		-* Enhanced surge protection
107	107
108		-== 1.3 Features ==
109	109
110		-* Open Source Embedded Linux system
111		-* Managed by Web GUI, SSH via LAN or WiFi
112		-* Support Semtech UDP packet forwarder
113		-* Support LoRaWAN Station Connection
114		-* Cellular Failover conntection(option)
115		-* Direct Communication to LoRaWAN ABP Node
116		-* LoRaWAN packet filtering
117		-* Far seeing LED indicator
118		-* Built-in GPS module for location & timing
119		-* External fiber glass antenna
120		-* Auto-Provision
121		-* Remote Monitoring
122		-* 802.3af PoE
123		-* IP65
124		-* Lighting Protection
125		-* Power Consumption:12v ,300-500mA
	117	+== 1.3  Features ==
126	126
127		-== 1.4 Hardware System Structure ==
128	128
129		-[[image:1652411641871-482.png||height="416" width="716"]]
	120	+* Open Source OpenWrt system
	121	+* Managed by Web GUI, SSH via WAN or WiFi
	122	+* Remote access with Reverse-SSH or remote.it
	123	+* Emulates 49x LoRa demodulators
	124	+* LoRaWAN Gateway
	125	+* 10 programmable parallel demodulation paths
	126	+* Pre-configure to support different LoRaWAN regional settings.
	127	+* Allow to customize LoRaWAN regional parameters.
	128	+* Support Local decode ABP end node info and transfer to MQTT server
	129	+* Support different level log in.
	130	+* Support Semtech Packet Forwarder
	131	+* Support LoRaWAN basic station.
	132	+* Optional 3G/4G cellular connection
130	130
	134	+
	135	+
	136	+
	137	+== 1.4  Hardware System Structure ==
	138	+
	139	+[[image:1657079015096-949.png]]
	140	+
	141	+
131	131	== 1.5 DLOS8N Applications ==
132	132
133	133	[[image:1652411671209-920.png||height="618" width="650"]]

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