Optoelectronics, Inc. continues to be a leader in the manufacture of unique and innovative RF tests, TSCM, and Counter Surveillance Equipment.  For 45 years we have been manufacturing our equipment in the USA.  Optoelectronics, Inc. offers equipment that appeals to a broad section of users.  Our in-house designed and engineered Frequency Counters and Nearfield Receivers are used by professionals in industries such as Two-Way Radio, Broadcast Engineers, TSCM Professionals, Security, Defense, Military, and Amateur Radio operators.