The USB-1602HS and USB-1604HS multifunction measurement and control modules feature two single-ended 16-bit analog inputs with one ADC per channel and a sampling rate of 1.33 Msamples/s or 2 Msamples/s per channel. Input range is programmable: ±10V, ±2.5V, or ±500 mV. Other features include 16 synchronous digital inputs, 16 synchronous digital outputs, four 16- or 32-bit counters, two timer/PWM generators, and three 32-bit quadrature detectors. Both modules come with TracerDAQ software and support Windows 7/Vista/XP SP2. MEASUREMENT COMPUTING CORP., Middleboro, MA. (508) 946-5100.