D-Link 4G LTE (Cat 4) to Gigabit Ethernet Modem/Bridge, Best for M2M Applications, Supports OpenVPN, Optional Enterprise Service Platform, Works on Verizon or AT&T (DWM-311-B1)

4G M2M CONNECTIVITY MADE EASY: Easily share a 4G LTE network via Sim Card with M2M devices. Unlocked and compatible/certified with major carriers such as Verizon, AT&T
PERFECT FOR: Vending machines, ATM, POS, digital signage, surveillance, transportation, industrial automation, smart grid, construction, cottages; Reliable failover and backup network for the wired network in rural retail stores, gas stations, etc.
COMPACT AND DURABLE: Zinc-plated steel case resistant to corrosion and designed to operation in harsh environment (-30 to 60 °C or -22 to 140 °F); small form factor (2.7 in x 3.05 in x 1.02 in) Wall or DIN-rail mount
VERSATILE SMART APPLICATIONS: A cost-effective solution for M2M connectivity for SMART RETAIL, SMART CITY, SMART FACTORY scenarios where remote 24/7 network connectivity is required
REMOTE CENTRALIZED MANAGEMENT: Remote-managed for ease of deployment, remote management, and reporting via optional D-ECS cloud platform
VISIBILITY SCALABILITY: Network status at a glance (map display of Network nodes, event notification); Effortless Network Expansion (zero-touch deployment, unlimited scalability, batch cloud configuration) with optional D-ECS cloud platform
RELIABILITY: D-ECS features automatic failure detection and alerts to resolve network issues quickly and efficiently (Scheduled Firmware Upgrades, Failure Detection/Alerts, Automated Reports, etc) with optional D-ECS cloud platform
FEATURE RICH: Plug and Play SIM slot (1x micro-SIM 3FF) for 4G LTE service (CAT4 up to 150Mbps) micro-USB connector (DC 5V) power supply; 10/100/1000Mbps Ethernet port for local high-speed network connectivity