Rabbit Semiconductor SBC BL4S200
98MHz, Supported Memory: 1x SRAM, Installed Memory: 512 kB, Supported I/O Interfaces: Ethernet, RS232 x 3, RS485, Supported Network Interfaces: 10/100 Ethernet, Dimensions: 96 x 146 x 24mm, Length: 146mm, Maximum Operating Temperature: +85 °C, Minimum Operating Temperature: -20 °C, Width: 96mm, MPN: 20-101-1220.Rabbit Semiconductor SBC BL4S200, Processor Clock Speed: 58.