Tektronix tds3gv communication module tektronix tds3gv p the tektronix tds3gv is a communication module that will help to provide you with multiple choices to easily capture transfer document and analyse your measurement results the tds3gv module combines the function of two modules previously available the tds3gm and tds3vm at the same low price as one of these modules p p this seamless integration extends the power and value of these brilliantly engineered affordable oscilloscopes