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Ultra-compact industrial 4G LTE cellular modem (DTU) with RS232/RS485, DI/DO/ADC interfaces, low-power design, and transparent serial-to-cloud data transmission for IoT sensor networks.
The M240 V4 is a 4G LTE industrial cellular modem (DTU) designed for serial-to-cellular data transmission in SCADA, PLC, and water/energy metering applications. It bridges RS232/RS485 serial devices to cellular networks transparently, operating from -35°C to +75°C. M240 V4 is FCC and CE certified and supports transparent DTU mode, Modbus TCP gateway, and MQTT for IIoT connectivity.
Built for demanding industrial environments
150 Mbps downlink / 50 Mbps uplink
20-65mA @12V during data transmission
5-17mA @12V for battery-powered deployments
DC 5-36V
-35 to +75 degrees C
91 x 58.5 x 22 mm
| Technology | 4G LTE Cat4 / 3G WCDMA / GPRS/GSM |
| SIM Slots | 1 |
| Frequency Bands | LTE FDD: B1/B3/B5/B7/B8/B20/B28; LTE TDD: B38/B40/B41; WCDMA: 2100/1900/900/850MHz; EDGE/GPRS/GSM: 850/900/1800/1900MHz |
| Max Downlink | 150Mbps (4G LTE Cat4) |
| Max Uplink | 50Mbps (4G LTE Cat4) |
| Wi-Fi | None (cellular modem) |
| Ethernet | 1x 10/100M RJ45 |
| Serial Ports | 1x RS232 + 1x RS485 (15KV ESD protection) |
| VPN | Transparent TCP/IP; 5 simultaneous data center connections |
| CPU | Industrial-grade MCU |
| Memory | Built-in Flash |
| Power Input | DC 5~36V (20-65mA active; 5-17mA sleep) |
| Dimensions | 91 x 58.5 x 22 mm |
| Weight | 120g |
| Mounting | DIN Rail, Desktop |
| Operating Temperature | -35°C to +75°C |
| IP Rating | IP30 |
| Model Number | M240 V4 |
Intelligent management built into every device
Centralized cloud management for remote monitoring, configuration and OTA firmware 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
In sleep mode, the M240 V4 consumes only 5-17mA at 12VDC, making it suitable for battery-powered or solar-powered IoT deployments.
The M240 V4 supports up to 5 simultaneous data center connections with primary/backup configuration for high-availability applications.
Standard production and delivery lead time for the M240 V4 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 M240 V4, 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 M240 V4 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.
