Product Type | 4G LTE M2M Modem |
Model Number | DWM-311-B1 |
Form Factor | External |
Enclosure Type | Housing - External Enclosure |
Weight | 120 g |
Power Input | 5V DC via Micro-USB |
Max Download Speed | 150 Mbps |
Max Upload Speed | 50 Mbps |
Use Case | Industrial M2M and IoT Connectivity |
D-Link DWM-311-B1 Wireless 4G LTE M2M Modem, External, USB/Gigabit Ethernet



Key Benefits

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- Delivers high-speed LTE connectivity up to 150 Mbps, ensuring fast and stable internet access for critical systems
- Versatile interface options including Gigabit Ethernet and Micro-USB provide flexible integration across industrial platforms
- TAA compliance and rugged design make it ideal for secure, long-term deployment in commercial and government infrastructures
Product Overview
The D-Link DWM-311-B1 is a high-performance 4G LTE modem designed for Machine-to-Machine (M2M) and IoT use. With a 1 Gbps transfer rate and external enclosure, it supports both USB and Ethernet interfaces, making it ideal for industrial networking. The modem includes dual SMA antenna ports, a Micro-3FF SIM slot, and is TAA compliant, ensuring compatibility with enterprise and government standards. Its compact form factor and cable-based connectivity deliver reliable, secure data transmission in remote environments.
Specifications
Product Overview
Wireless Features
Cellular Technology | LTE |
Cellular Generation | 4G |
LTE Bands Supported | B1, B3, B7, B8, B20 |
Fallback Technologies | EDGE, GPRS |
External Antennas Supported | Yes, via SMA connectors |
Antenna Configuration | Dual SMA external antenna connectors |
Compliance & Origin
Country of Origin | Taiwan |
TAA Compliant | Yes |
Certifications | CE, RoHS, FCC |
Advanced Security Features
Security Protocols | PAP/CHAP authentication |
VPN Support | PPTP |
SIM Lock | Yes |
Interfaces
Ethernet Ports | 1 x 10/100/1000Base-T RJ-45 |
USB Ports | 1 x Micro-USB 2.0 |
Antenna Connectors | 2 x SMA (Female) for LTE Antennas |
SIM Slot | 1 x Micro SIM (3FF) |
Data Transfer Rate | 1 Gbps (theoretical maximum) |
Interface Supported | Gigabit Ethernet, USB 2.0 |
Physical & Environmental
Width | 77.4 mm |
Depth | 68.5 mm |
Height | 26 mm |
Operating Temperature | -10°C to 60°C |
Storage Temperature | -20°C to 70°C |
Operating Humidity | 10% to 90% (non-condensing) |
Mounting Options | Desktop or wall-mountable |
LED Indicators | Power, Status, Signal Strength, Network |
Cloud Management & Licensing
Remote Management Capability | Supported via Web UI |
Management Interface | Web-based GUI |
Firmware Upgrade Method | Web UI |