CIR373 Series

3-port 100M DIN Rail Industrial 4G Wireless Router
  • 1×100M WAN port, 2×100M LAN ports
  • Support 2G/3G/4G network all over the world, support APN/VPDN sim card
  • Failover between 4G and WAN, ensures automatic switch to alternative backup connection, effectively ensuring uninterrupted
  • VPN tunnel detection: maintains stable connection of the VPN tunnel, ensuring continuous transmission
  • Support DC9~36V power input, support anti-reverse connection
  • Fanless design, case heat dissipation
  • Work in -20℃ ~ + 70℃ harsh industrial environments

CIR373-E/AU/G is a wireless transmission device that integrates 4G router and 4G DTU functions, integrating technologies such as 4G LTE, serial port, Ethernet port (2LAN and 1WAN/LAN) and VPN. It provides advanced internet connection and high-speed data access for devices.

This product series supports 2/3/4G full coverage of the three major public network operators and 1.4/1.8G private network version, which can provide secure data transmission under private network for oil fields, public security, transportation and other industries that clearly use private networks.

It helps enterprise customers achieve efficient large-scale network deployment and management, and is very suitable for M2M and industrial Internet of Things applications

Product Features

  • Fully industrial design, metal housing, IP40 protection level;
  • Support horizontal desktop placement and wall-mounted installation;
  • Wide voltage DC 9-36V input, with power reverse protection;
  • Multiple protections such as static electricity, surge, and electric fast pulse group;
  • Provide 4G network, backward compatible with 3G/2G network standards;
  • Support 1.4G/1.8G private network version;
  • Support automatic network detection, 4G/3G/2G standard switching, support APN/VPDN private network card;
  • Support wired/4G multi-network online at the same time, multi-network intelligent switching backup function
  • Rich interfaces: including 1*WAN/LAN, 2*LAN and etc.;
  • Support human cloud service, which facilitates centralized management of equipment system and improves operation and maintenance efficiency;
  • Support sending registration package and heartbeat package functions;
  • Support serial port transparent transmission, Modbus conversion, HTTPD protocol;
  • Support multiple VPNs (PPTP, L2TP, OpenVPN, IPSec, GRE) and multiple VPN encryption functions;
  • Support remote management platform services, with remote monitoring and remote upgrade functions;
  • WAN port supports PPPoE, static IP, DHCP Client and other access methods;
  • Support firewall, NAT, DMZ, port forwarding, etc.;
  • Support peanut shell service, which is easy for customers to realize intranet penetration function;

 

Cellular
Frequency -E -AU -G
TDD-LTE: B38/40/41 TDD-LTE: B40 TDD-LTE: B34/38/39/40/41
FDD-LTE: B1/3/5/7/8/20 FDD-LTE: B1/2/3/4/5/7/8/28 FDD-LTE: B1/2/3/4/5/7/8/12/13/18/19/20/25/26/28/66
WCDMA: B1/5/8 WCDMA: B1/2/5/8 WCDMA: B1/2/4/5/6/8/19
GSM/EDGE: B3/8 GSM/EDGE: B2/3/5/8 GSM/EDGE: B2/3/5/8
Antenna 1 x SMA-K
SIM card 1 x (3 V&1.8 V) Standard 4FF SIM
Ethernet
WAN 1 x WAN port (can be configured to LAN) 10/100 Mbps, compliance with IEEE 802.3, supports auto MDI/MDIX,1.5KV network isolation transformer protection
LAN 2 x LAN ports, 10/100 Mbps, compliance with IEEE 802.3 standard, supports auto MDI/MDIX,1.5KV network isolation transformer protection
Indicators
PWR Red, always on after powered on
WORK flashes when the system is running normally after startup NET
2/3/4G mode indicator 2G led is on after connecting to 2G network
3G led is on after connecting to 3G network
Both leds are on after connecting to 4G network
SIG Signal strength: 2 LED is solid on, strongest signal
Power Supply
Adaptor DC 12V/1A
Connector DC Power Jack Barrel Type Female 5.5*2.1mm Round socket or 2 PIN industrial terminal block, reverse polarity protection
Input voltage DC 9-36V
Power consumption Average 180mA/12V
Physical Characteristics
Casing material Metal shell, IP40
Dimensions 143.8*112.0*28.0 (L*W*H)
Installation Wall mounting
EMC Static IEC61000-4-2, level 3
Pulsed Electric Field IEC61000-4-4, level 3
Surge IEC61000-4-5, level 3
Operating temperature -35℃~+75℃
Storage temperature -40℃~+125℃(non-condensing)
Operating humidity 5%~95%(non-condensing)
Network Connection
WAN protocol PPP, PPPoE, DHCP client
LAN protocol ARP, DHCP server, NAT
4G network access Auto APN/VPDN, private network
Access authentication: CHAP/PAP
WLAN security Open system, WPA/WPA2 PSK
TKIP/AES encryption
IP routing Static routing
Network diagnosis Ping, route trace, DNS
Software
Configuration Web
Remote management SSH, AT command
Failover backup Mobile, Wired options, each of which can be used as an automatic Failover
Firewall DMZ, anti-DoS, Filtering (IP/Domain name/MAC address), Port Mapping, Access Control
VPN Support PPTP, L2TP, GRE, IPSEC VPN (IKEv1), OPENVPN protocols
DDNS Remote access the device through domain name
 NTP NTP client
Others Timing task

CIR373 Datasheet

Version Update Download
V1.0 2025-04-23
PDF
(368.48 KB)
Standard Model 100M WAN Port 100M LAN Port Frequency Input Voltage
CIR373-E 1 2 TDD-LTE: B38/40/41

FDD-LTE: B1/3/5/7/8/20

WCDMA: B1/5/8

GSM/EDGE: B3/8

DC9~36V
CIR373-AU 1 2 TDD-LTE: B40

FDD-LTE: B1/2/3/4/5/7/8/28

WCDMA: B1/2/5/8

GSM/EDGE: B2/3/5/8

DC9~36V
CIR373-G 1 2 TDD-LTE: B34/38/39/40/41

FDD-LTE: B1/2/3/4/5/7/8/12/13/18/19/20/25/26/28/66

WCDMA: B1/2/4/5/6/8/19

GSM/EDGE: B2/3/5/8

DC9~36V
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