4G Economical Multi-Port Industrial Router
Model：SIE2000L4
- 4G Economical Multi-Port Industrial Router
- 4G high-speed networking, dual-SIM stability, Wi-Fi connectivity
- Dual-SIM failover, VRRP backup mechanism
- Rich industrial interfaces, multi-protocol support
- Secure, stable, and rich routing protocols
- Wide temperature range: -30°C to 70°C
- 1×WAN + 4×LAN (100 Mbps), 2.4 GHz Wi-Fi, 1×RS232, 1×RS485, 2×SIM
I. Product Overview
The SIE2000L4 is an IoT wireless router integrating 4G, Wi-Fi, and VPN technologies, delivering simple, reliable, and secure internet connectivity. Designed for unattended sites, it employs hardware/software watchdogs and multi-level link detection to ensure stable communication. It also supports a cloud management platform for remote, intelligent device management.
SIE2000L4 is ideal for industrial and commercial IoT applications, offering an efficient and reliable solution for digital IoT. Its outstanding features, easy deployment, and comprehensive remote management help customers achieve efficient operations in the wave of digital transformation.
II. Product Features
1. Anytime, anywhere, convenient and efficient network access
Supports multiple network access methods (cellular, Wi-Fi, wired) for different environments and requirements, providing fast and efficient services.
2. Stable and reliable network connectivity
Supports mutual backup among cellular, wired, and Wi-Fi networks; cellular link failover; dual-SIM switching; VRRP backup; and multi-layer detection to ensure network stability and reliability.
3. Comprehensive security features
Multi-layer security mechanisms, multiple VPN technologies, access control, DDoS protection, SPI firewall, user privilege management, ensuring data and network security.
4. Easy cloud management
Unified cloud platform enables real-time management of thousands of distributed devices anytime, anywhere, making management easier, more efficient, and more economical.
III. Application Scenarios
SIE2000L4 is suitable for data acquisition and monitoring of distributed unattended field devices, as shown below:
More industry-specific digital application scenarios are listed below:
|
Industry
|
Scenario
|
| Smart Energy | EV charging, metering, distribution automation, wind/solar/oil & gas |
| Smart City | Utilities (heat, water, gas), security, traffic, e-police, smart parking |
| Smart Manufacturing | OEM discrete machines, industrial robots, automation lines |
| Smart Healthcare | Medical device networking |
IV. Application Solution
SIE2000L4 offers an efficient and reliable solution for industrial and commercial IoT. Its device-to-cloud solution connects devices to cloud platforms in real time, enabling status monitoring, value extraction, data accumulation, and better services to accelerate digital transformation.
Application solution diagram:
Hardware Specifications:
| Hardware Platform | |
| CPU | 580 MHz |
| RAM | 128 MB DDR2 |
| FLASH | 64 MB |
| Interfaces | |
| Ethernet Ports | 5×10/100 Mbps Fast Ethernet, RJ45, WAN/LAN/VLAN, 1.5 kV isolation |
| Power | DC 9–36 V, over-current & reverse-polarity protection, 2-pin industrial terminal |
| Serial | 1×RS232, 1×RS485 |
| Reset | Pin-hole reset button |
| SIM Slots | 1×drawer slot, 2×NANO SIM |
| Wi-Fi | IEEE 802.11b/g/n, up to 300 Mbps |
| Antenna | 4G: SMA×1, Wi-Fi: RP-SMA×2 |
| Grounding | Supported |
| Mechanical | |
| Dimensions | 127 × 108 × 35 mm |
| Mounting | DIN rail |
| Enclosure | Metal |
| Weight | 454 g |
| Protection | IP30 |
| Cooling | Fanless |
| Power Consumption | |
| Standby | 120–200 mA @ 12 V |
| Operating | 150–320 mA @ 12 V |
| Peak | 320 mA @ 12 V |
| Wi-Fi | |
| Band | 2.4 GHz |
| Max Rate | 300 Mbps |
| Protocols | 802.11b/g/n |
| TX Power | 802.11b: 16 dBm ±2 dBm (11 Mbps), 802.11g: 16 dBm ±2 dBm (54 Mbps), 802.11n: 16 dBm ±2 dBm (MCS7) |
| Range | Up to 50 m LOS (environment dependent) |
| Environment | |
| Storage Temp | -40 to 85 °C |
| Operating Temp | -30 to 70 °C |
| Humidity | 5–95 % non-condensing |
| Indicators | |
| LEDs | Power, System, Network, Wi-Fi, Signal |
| Physical | |
| Shock | IEC 60068-2-27 |
| Drop | IEC 60068-2-32 |
| Vibration | IEC 60068-2-6 |
Software Specifications:
| Network Access | |
| Access Methods | APN, VPDN |
| Authentication | CHAP/PAP |
| Network Types | GSM/GPRS/EDGE, UMTS/HSPA+/EVDO/TD-SCDMA, TDD/FDD LTE, 5G NR (SA/NSA) |
| LAN Protocols | ARP, Ethernet |
| WAN Protocols | PPP, PPPoE, DHCP |
| Network Protocols | |
| IP Applications | Ping, Trace, DHCP Server/Relay/Client, DNS relay, DDNS, Telnet |
| IP Routing | Static, OSPF dynamic |
| NAT | Supported |
| Security | |
| Firewall | SPI, DoS protection, multicast/Ping filtering, ACL, content filtering, port/IP mapping, IP-MAC binding, 802.1x |
| VPN | PPTP, L2TP, GRE, IPSec, DMVPN, OpenVPN, WireGuard |
| Reliability | |
| Hot Backup | VRRP |
| Link Detection | Heartbeat, auto-reconnect |
| Dual-SIM Failover | Supported |
| Watchdog | Hardware & software watchdog, self-healing |
| WLAN | |
| Standards | IEEE 802.11b/g/n |
| Modes | AP, Client, WDS |
| Security | Open, Shared, WPA/WPA2, WEP/TKIP/AES |
| Smart Features | |
| DTU | TCP/UDP transparent, Modbus RTU↔TCP, DCTCP/DCUDP |
| Management | |
| QoS | Bandwidth limiting, IP rate limiting |
| Configuration | Telnet, Web, SSH, Console |
| Upgrade | Web, DM |
| Logs | Local system, remote, serial, power-loss save |
| SMS | Status query, reboot |
| Dial-on-Demand | Data/SMS triggered |
| Cloud | "Device Cloud" platform for bulk management |
| SNMP | v1/v2c/v3, SNMP TRAP |
| Traffic | Threshold, statistics, alarms |
| Alerts | Reboot, LAN up/down, traffic, SIM fault |
| Tools | Ping, traceroute, speed test |
| Status | System, modem, connection, routing |
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