These are a customized variant of the SIM862-A01-C53FLSFM, where it counts these are the same. Over engineered, built to withstand harsh condition. The logic board does not have a battery installed, so keep that in mind. Retails for 616.65$! Processor and Memory Renesas RZ/G1E Dual 1GHz Cortex A7 MCU 128MB DDR1333 DDR3 DRAM with 8MB boot Serial NOR Flash 4GB e.MMC storage for program, non-volatile data, and files system storage µSDCard socket for (user supplied) memory cards for file system expansion and firmware/GUI updates Integrated graphics/touch and audio I/O Integrated 5", 7", 10.1" LCD with/without touch Ambient Light Sensor for high brightness LCD options Integrated audio codec with headphone/line-level and 3W speaker amplifier outputs; external codec/amplifier option Numerous communications ports: USB 2.0 high speed 480mbps embedded host port A connector USB 2.0 high speed 480mbps device port Micro B connector RS422/485 port with selectable duplex and termination 3.3V UART with transmit control Simple in-chassis connectivity Direct Dock to Generation 5 Serious Comms/Control Modules (e.g. SCM318) via the 30-Pin Expansion Header RS485, UART, Power, and control via the 16-Pin Wire Harness Connector RS485 and power via the 6-pin Power/RS485 Connector Audio output via the Audio Line Out Connector and Audio Speaker Out Connector 10.8-35VDC wide range power supply input -40 to +85C operating temperature range components (further limited by LCD option)