LTE450 Hardware: Routers, Modems and Industrial Devices

Device Categories

LTE450 hardware divides into four main categories, each suited to different parts of a utility or critical infrastructure deployment. Understanding which category fits each use case is the starting point for hardware selection.

Industrial Cellular Routers

Industrial routers are the backbone of LTE450 infrastructure deployments. They provide a managed cellular uplink on one or more LTE bands, with wired Ethernet or serial interfaces to connect substation equipment, RTUs, PLC systems and local network segments. Key specifications for utility deployments include: operating temperature range (typically -40°C to +70°C for substation environments), MTBF (mean time between failure, target >100,000 hours), input voltage range (often 9-60V DC to accommodate substation power), DIN rail mounting, and redundant WAN interfaces (dual SIM, dual modem, or cellular + wired Ethernet failover).

Relevant manufacturers with documented LTE450 Band 31 or Band 72 support include Teltonika Networks (RUT series), Robustel (R5020, R3000 series), Westermo (MRD series for rail and utility), Cradlepoint (E3000 series), and Phoenix Contact (TC MGUARD RS4000). Always request written confirmation from the manufacturer that the specific SKU supports the band you require – product families often include multiple SKU variants with different band configurations, and a router marketed as “supporting LTE450” may support Band 72 but not Band 31.

M2M Cellular Modules

For device manufacturers embedding cellular connectivity into their equipment (smart meters, RTUs, protection relays, substation IEDs), M2M modules provide a compact, pre-certified cellular modem on a standard form factor (typically LGA, mini-PCIe, or M.2). The major module manufacturers with LTE450 support are Quectel (EC21, EC25, EG25 series with Band 31/72 variants), Telit (LE910 series), u-blox (SARA-R series), and Sequans (Monarch series for LTE-M/NB-IoT at 450 MHz).

Module form factors include the standard 24mm x 24mm LGA (land grid array) for PCB integration, mini-PCIe for router cards and gateway designs, and M.2 for embedded computing applications. MFF2 (machine-form-factor) versions of the module integrate a soldered industrial SIM for applications where a traditional removable SIM card is impractical.

Customer Premises Equipment (CPE)

Outdoor CPE devices are self-contained units designed for fixed installation on buildings, poles or substations. They typically integrate the cellular modem, antenna and power handling in a weatherproof enclosure (IP65 or IP67), eliminating the need for separate antenna cabling runs. For utility substation deployments where cabling is minimised, outdoor CPE mounted on the substation fence or wall can provide direct Ethernet connectivity to the substation LAN without a separate internal router and external antenna system.

IoT and M2M Gateways

IoT gateways aggregate data from multiple local devices (Modbus serial, RS-485, CAN bus, Zigbee, LoRa local area) and provide a managed cellular uplink. For smart meter concentrator applications, a single LTE450 gateway may collect data from 50-200 meters via a local radio link (Wireless M-Bus, NB-IoT local area, RS-485) and transmit aggregated meter data to the head-end system via the LTE450 backhaul. This “concentrator” or “data collection unit” (DCU) architecture is common in AMI deployments.

*Always request written confirmation of specific band support. Product families span many regional variants. Band support listed here reflects published datasheets at time of writing and may change.