Standard full PCI Express Mini Card; FPGA based, DMA capable serial communication controller; Serial protocols: Frame based HDLC, Character based Synchronuous, Character based Asynchronuos; Support of differential RxD, TxD, RxC, TxC per channel; Differential I/O transceiver for EIA-422 / EIA-485 Full-Duplex; Data rates up to 10Mbit/s (synchronuous), 2 Mbit/s (asynchronuos); Internally or externally provided clock; 30 pin Pico-Clasp latching I/O connector; Operating temperature -40°C to +85°C