E-Lins Technology provides an overview on industrial grade 4G wireless routers

1. Overview on Industrial Grade 4G Wireless Routers
The industrial grade 4G wireless router is an industrial IoT high-speed router that
provides a solution for users to access 4G networks through WIFI or network ports.
Support WLAN wireless LAN function, support FDD LTE/TD-LTE two 4G LTE network
standards, but also backward compatible with 2G/3G, support
TD-SCDMA/WCDMA/EDGE/GPRS/GSM/CDMA1X/EVDO, etc. Performance 32-bit
ARM processor with APN private network, VPN, mandatory portal, flow control,
peanut shell domain name service and many other functions. Currently widely used
in the M2M industry in the IoT industry chain, such as smart grid, intelligent
transportation, smart home, finance, mobile POS terminal, supply chain automation,
industrial automation, intelligent building, fire protection, public safety,
environmental protection, meteorology, digitization Medical, telemetry, agriculture,
forestry, water, coal, petrochemical and other fields.
Features
1, features and functions:
Built-in 3G/3G+/4G LTE industrial-grade wireless modules supporting FDD-LTE,
TD-LTE, WCDMA, HSPA+, TD-SCDMA, and backward compatible with
EDGE/GPRS/GSM network standards
Support wired, Wi-Fi, 4G/4G+/LTE multi-network switching
Support DTU function: support RS232, RS485 serial data transparent transmission
WIFI communication distance up to 100 meters
2, high reliability:
Full industrial grade EMC electromagnetic compatibility design, power supply
anti-reverse protection, ESD anti-static / anti-surge protection
Iron enclosure protection class IP30
Support hardware watchdog, never crash
3. Features:
Support VPN, APN private network access
Compulsory portal, WIFI-DOG
Support NTP network timing
Support WEB, SSH encryption communication, set software multiple parameter
management methods,
Support WEB mode firmware upgrade
Provides functions such as parameter backup and import, system local log and
remote log sending.
Provide system local log and remote log to send remote LOG server for real-time
network monitoring
Parameter settings file can be exported and imported
4, router function:
Support DHCP server to automatically obtain IP
Support DNS domain name resolution
Support various routing functions: static routing, port forwarding, network diagnosis,
DDNS dynamic domain name resolution;

2. Support firewall
Intelligent QOS flow control
Support port mapping: support mapping from external network port to internal
network port
Support static routing table
Hardware system
CPU: Industrial Grade 32-Bit Communication Processor, 580MHz
FLASH: 16MB (128Mb) (expandable to 512MB/4Gb)
RAM: 64MB (512Mb) (expandable to 256MB/2Gb)
Interface Type
Ethernet interface: 1 10/100M Ethernet LAN port (RJ45 socket), adaptive MDI/MDIX,
built-in 1.5KV electromagnetic isolation protection;
1 10/100M Ethernet WAN port (RJ45 socket), adaptive MDI/MDIX, built-in 1.5KV
electromagnetic isolation protection, cascaded superior router or xDSL or Cable
Modem;
(When WAN RJ45 can be converted to LAN RJ45 port, it becomes 2 LAN RJ45 ports)
DTU serial port: support 1 serial port; 1 terminal block RS232 serial port (or RS485),
built-in 15KV ESD protection, the parameters are as follows:
Data bits: 5, 6, 7, 8 bits;
Stop bits: 1, 1.5 (optional), 2 bits;
Flow control: none, hardware, software;
Calibration: no parity, even parity, odd parity, (SPACE and MARK check) (optional);
Serial port rate: 300bps, 600bps, 1200bps, 2400bps, 4800bps, 9600bps, 19200bps,
38400bps, 57600bps, 115200bps;
Working mode: server mode (supports 4 central terminals, and can customize more
central terminals), client mode;
Heartbeat package: support
I/O port: 2-4
LED indicator: system power supply SYS*1, VPN*1, signal strength Signal*1, online
Cell*1, WAN*1, LAN*1, WiFi*1
Antenna and interface
Standard SMA female antenna interface with a characteristic impedance of 50 ohms;
WiFi antenna interface - SMA female antenna interface × 1-2, 50 ohm;
Wireless antenna interface--SMA female antenna interface ×1-4, 50 ohm;
GPS antenna interface - SMA female antenna interface × 1, 50 ohm;
Support MIMO
SIM/UIM card interface: standard caliper user card interface, support 1.8V/3V
SIM/UIM card, built-in 15KV ESD protection; 2 SIM card slots;
Power interface
3 power supply backups:
Standard 3-pin locomotive power outlet with built-in power reverse protection and
overvoltage protection;
Terminal block power connector;
POE power supply
Reset button: This button restores the parameter configuration of ROUTER to the
factory.

3. Console port: Debug port × 1
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Standard power supply: DC12V/1.5A or 9V/2A
Power supply range: wide power input (DC 5~40V), optional DC 5~60V
Current: Idle mode: approx. 100mA@12VDC
Communication mode: about 260mA@12VDC
Software system
VPN features
Support IPSec, PPTP, L2TP, GRE, OpenVPN, DMVPN (optional) and others;
Support VPN transparent transmission;
Firewall throughput speed: 100Mbps
VPN encryption speed: 5M~200M bps
Number of concurrent sessions: 8192~327680 seconds
Number of new sessions processed: 2250~45000
Number of VPN tunnels: 100~5000
Key exchange algorithm: Diffie-Hellman
HASH algorithm: (MD5, SHA128, SHA256, SHA384, SHA512), Cipher (AES, 3DES, DES)
The return key is completely confidential (PFS)
Authentication mode: Preshare password
VPN network type: support network to network intranet
Wi-Fi
WLAN (WiFi) function, support 802.11b/g/n, 300Mbps;
Support AP mode, bridge mode and Client client mode;
GPS/GNSS (optional) GPS/GNSS function
Voice (optional) Controls the upper and lower lines
SMS
Control the upper and lower lines to detect the status of the router;
Send and receive text messages;
Configuring an APN parameter of the WAN microcell Cell;
SMS alert;
Alarm: low signal strength or no signal SMS or voice notification (voice notification is
optional)
VLAN: Support dual LAN IP address
Supported protocols TCP, UDP, SMTP, POP, ICMP, FTP, PPP, DHCP, DDNS dynamic
domain name service, DNS, SNMP, NAT/NAPT, DMZ, Qos, ALG, VLAN, DNS proxy,
static routing, dynamic routing, etc.
Safety
Support 64/128 bits WEP, 802.1x, WPA, and WPA2
Support WDS
Support WPA1/2 – PSK
Support WPA1/2 – 802.1x
Support EAP – TLS, TTLS, LEAP, PEAP
Support access with user name & password.
Support access control base WAN/LAN interface
Support access control base source IP address
Defense DOS attack, SYN flooding, IP surfing, ping of Death, fragile, teardrop, land

4. etc.
Support PAP, CHAP, MsChap
Support IP filtering
Remote management system NMS
Physical characteristics
Housing: Metal enclosure, protection class IP30. The housing and system are safely
isolated, especially suitable for industrial field applications
Dimensions: PCBA board: 96mm x 56mm x 14mm
Machine: 100mm x 60mm x 21mm
Weight: 220g (excluding antenna and mounting parts)
Working temperature: -35~+75oC
Storage temperature: -40~+85oC
Relative humidity: 95% (no condensation)
Magnetic compatibility performance Electrostatic discharge immunity test level: 3
Radio frequency electromagnetic field radiation immunity test level: 3
Applications
Industrial IoT Application
Use RJ45 network port and WiFi to connect Ethernet or WIFI wireless serial port
server to realize remote acquisition of sensor data and serial port control. The
network cable connects IP camera to realize remote transmission of video.
Smart life application:
Widely used in intelligent express cabinets, smart vending machines, smart number
machines, smart buses, self-service ATM machines, advertising machines, etc.
Realize business data upload, free wifi, advertising broadcast, remote video
surveillance, VPN / APN private network management and other application
requirements, etc.