Tel-Instrument Electronics Corporation is one of the leading vendors of avionic test sets to commercial aviation and the military.  They have the broadest line of ruggedized ramp testers and are the only supplier of the latest IFF Mode 5 ramp test sets.  Tel Instruments prides itself on quality, features, and value.

Tel-Instrument offers a full line of specialized and multifunction test sets including:

 NAVIGATION  VOR, GS, LOC and MB
 COMMUNICATION  AM/FM Transceivers from 29 to 400 MHz
 TRANSPONDERS  ATCRBS, SIF, and MODE S, TIS, and ADS-B
 INTERROGATORS  All Modes
 IFF  For both Interrogators and Transponders
 TACAN/DME  For both Interrogators and Transponders
 TCAS  Modes A, C, and S Intruder Simulations

Use the product comparison chart to identify the model that meets your test requirements or contact the company or one of our representatives for additional information.  Product data sheets and user guides are available to registered visitors to the site.