Digilent MCC USB-3114 Data Acquisition, 16 Channel(s), USB, 100sps, 16 bits

The Digilent USB-3114 features analog outputs, 8 digital I/O, and one 32-bit counter input. Each channel is software-selectable for either a bipolar voltage output range of ±10 V or a unipolar range of 0 V to 10 V. USB-3102 also features 0 mA to 20 mA of current output. These devices are USB-powered and require no external power.

High-speed pulse counter for general counting applications
48 MHz maximum input frequency
Synchronous high-speed reads of digital and counter inputs