Features: Provides Sine waveform output of 250Hz, 500Hz, 1 KHz, and 2 KHz. With Amplitude adjustments of 0 - 5Vp-p. On board 0 to 5V DC source with Amplitude adjustments. Sampling rate of 32 KHz/channel with 8KHz. Channel Identification Signal. On-board features Four Analog Channels TDM Multiplexing/De-multiplexing Clock regeneration at receiver using PLL. 4th order Butterworth Low pass filter with cut off frequency of 3.4 KHz.