Profile: Ameritec Corp. is a designer and manufacturer of communications test equipments. Our model AM44XT is a compact hand-held analog transmission test set and it is designed for field testing and measurement of voice and data for 2 or 4 wire telecommunications transmission circuits. Our model AM48XT hand-held analog transmission test set utilizes the color-coded controls and menu selection to select the desired measure mode and send mode & measurements are captured & are automatically displayed. Our model 404 is a hand-held combination T1 digital, data-com and wide-band test set provides a wide variety of industrial measurements to accomplish transmission impairment testing on 2- or 4-wire dedicated or dial-up analog circuits.