The GTX2200 family of PXI universal time counters offers many of the measurement and timing functions of high-end stand-alone frequency counters, including frequency, period, accumulate, ratio, test clock, time interval, time interval delay, totalize and pulse width.
There are three models available. The GTX2210 frequency range extends to 225MHz, the GTX2220 covers up to 1.3GHz and the GTX2230 covers up to 2.0GHz