The Semtech AirLink XR90 Gen2 + WiFi, identified by MPN 1105218, is a high-performance, multi-network cellular router designed for demanding mobile applications, particularly in public safety and transit. This router delivers real-time, "always-on" connectivity through its advanced technology, ensuring unmatched uplink and downlink speeds. It leverages Data Path Accelerated 5G (Gen2), Wi-Fi 6, and 5Gbps Ethernet technology to maintain critical connections in dynamic environments. The XR90 Gen2 variant supports 5G technology, achieving theoretical peak downlink speeds of up to 4.5 Gbps and uplink speeds of up to 900 Mbps, utilizing 4x4 MIMO. A key feature of the AirLink XR90 is its dual independent 4x4 MU MIMO Wi-Fi 6 capability, providing high-speed wireless connectivity. For wired connections, the dual 5G configuration includes four Gigabit Ethernet ports and one 5 Gigabit Ethernet port. The device is built with a rugged Mil Standard aluminum die-cast housing, offering a sealed aluminum housing with an IP64 rating, making it suitable for harsh conditions. Power input ranges from 7 to 36 VDC, and it includes built-in protection against voltage transients, along with Ignition Sense with time delay shutdown. Security is robust, featuring a stateful firewall, WPA2/WPA3 Personal/Enterprise WLAN Encryption, and a 350 Mbps IPSec VPN TCP throughput with FIPS 140-2 Level 1 compliance. The device also includes 48-Channel GNSS with Dead Reckoning, 5 GPIO, a USB 3.1 USB-C port, and support for CAN bus/OBD-II (J1979)/J1939). The XR90 uses the AirLink OS and supports AirLink Premium services, reducing total cost of ownership through ALMS (AirLink Management System) Out-of-Band management. The cartridged-based design allows for long-term expandability and upgradability, ensuring future-proofing for critical mobile networks.