YF355 4G LTE Cat4/Cat6 industrial router with RS232/RS485 serial gateway, Docker edge computing, and IECEx certification. Ideal for oil & gas, mining, and factory automation.
The YF355 is a 4G LTE industrial router designed for M2M, SCADA, and remote industrial IoT deployments. It delivers reliable LTE Cat4 connectivity with dual SIM failover, RS232/RS485 serial ports, and digital I/O, operating from -40°C to +75°C. YF355 is FCC and CE certified for global markets and supports Docker for edge computing applications in utilities, transportation, and energy infrastructure.
Built for demanding industrial environments
OpenVPN, IPSec, L2TP, WireGuard, GRE
DC 9–36V
-40°C to +75°C
| Technology | 4G LTE Cat4/Cat6 or 5G Redcap |
| SIM Slots | 2 (eSIM compatible) |
| Frequency Bands | LTE B1/B3/B7/B8/B20/B28/B38/B40/B41 B1/B2/B3/B4/B5/B7/B8/B12/B17/B28/B66 (Optional) B2/B4/B5/B12/B13/B17/B66/B71 (Optional) |
| Max Downlink | 300Mbps/150Mbps |
| Max Uplink | 50Mbps |
| Wi-Fi | 802.11b/g/n, 2.4GHz |
| Ethernet | 1x LAN + 1x WAN/LAN |
| Serial Ports | 1*RS232, 1*RS485 |
| VPN | IPSec, OpenVPN, PPTP, L2TP, Wireguard, Zerotier |
| CPU | ARM Cortex-A7, 580MHz |
| Memory | 128MB RAM / 32MB Flash |
| Power Input | DC 9-36V |
| Dimensions | 91.4x92.4x31mm |
| Weight | 200g |
| Mounting | Desktop, Wall Mount, DIN Rail |
| Operating Temperature | -40°C to +75°C |
| IP Rating | IP30 |
| Model Number | YF355 |
Intelligent management built into every device
Centralized cloud management for remote monitorning and OTA updates.
Trusted across industries for mission-critical connectivity
Remote monitoring, PLC data collection and predictive maintenance
Smart grid, EV charging stations and solar inverter connectivity
Real-time GPS tracking, in-vehicle Wi-Fi and route optimization
POS terminals, digital signage and unmanned store networking
Traffic control, environmental sensors and public safety networks
Pipeline monitoring, well-site automation and remote operations
The YF355 provides one RS232 and one RS485 port, supporting Modbus RTU/ASCII to Modbus TCP protocol conversion for connecting legacy serial devices to modern IP-based SCADA systems.
Yes. The YF355 includes a Docker-compatible edge computing environment for deploying custom applications locally — reducing latency and cloud bandwidth costs.
Yes. The YF355 holds IECEx certification for Zone 1 and Zone 2 hazardous areas, making it suitable for oil and gas, petrochemical, and mining environments.
The YF355 adds RS232, Docker edge computing, IECEx certification, and higher throughput versus the more compact YF325 designed for standard IoT and smart metering.
Yes — through Yifan IOT platform you can remotely monitor, configure, and update firmware across hundreds of YF355 deployments from a single dashboard.
Standard production and delivery lead time for the YF355 is 7-15 business days from our ISO 9001-certified Xiamen, China facility. All units carry a 12-month manufacturer warranty. Express options available — contact sales@yifanrouter.com.
Yes. Yifan offers full OEM and ODM services for the YF355, including private-label branding, custom firmware, hardware modifications, and localized packaging. Submit an OEM/ODM inquiry at yifanrouter.com/industrial-router-manufacturer/ or email sales@yifanrouter.com.
Yes. Evaluation sample orders are available for the YF355 prior to volume commitment. Visit yifanrouter.com/wholesale-industrial-routers/ for details, or email sales@yifanrouter.com with your evaluation requirements.
Contact us for pricing, samples, or technical consultation. Our engineering team is ready to help you find the perfect connectivity solution.