The Ericsson Cradlepoint R2155 is the IoT model in the R2100 5G ruggedized router series. It is built to mount on a vehicle roof or on an IoT cabinet enclosure. The modem, antennas and router share one aerodynamic, ruggedized housing, so there are no coax runs to plan. This SKU (TCA3-2155-5GB-GA) is the R2155 configuration without Wi-Fi. It ships with integrated antennas, no AC power supply, and optional dual 4FF SIM slots with SIMs not included. It carries 3 years of NetCloud Ruggedized IoT Essentials and Advanced plans and is listed for all regions. The embedded modem supports 5G FR1 in both NSA and SA modes plus LTE Advanced Pro Category 20, with 4x4 MIMO. Peak rates reach 4.14 Gbps downlink and 660 Mbps uplink. It holds AT&T, T-Mobile and Verizon operator certifications and carries FirstNet Trusted, T-Mobile Connecting Heroes and Verizon Frontline Verified public safety certifications. CBRS Band 48 supports private cellular networks. The router can serve as a self-contained 5G router. It can also act as a captive 5G modem for a supported Cradlepoint controlling router, where it is managed as a single entity without a separate licence. The housing is rated IP67 and IK09, with salt-mist corrosion resistance and MIL-STD-810G shock and vibration testing. It operates from -30 °C to 70 °C. Power comes from a 9–36 VDC input with ignition sensing or from 802.3at PoE. A 2.5 GbE RJ45 LAN cable connects local equipment, and passive GNSS feeds Automatic Vehicle Location systems. A quad-core ARMv8 processor runs Docker containerized applications at the edge. The included NetCloud subscription provides NetCloud Manager cloud management and software updates for the full term. It also includes 24x7 support, access to Enterprise Wireless University, and a limited lifetime hardware warranty while the plan remains active.