EMF Surveys EMI Testing: Dallas Houston Austin and the Greater DFW / Texas Region For health & safety concerns, pacemakers, biomedical equipment, EMI (Electromagnetic Interference) with sensitive electronic equipment, RF radiation and magnetic fields. 214.912.4691 Days a Week  Mon – Fri:   9 AM – 7 PM   Weekends:  Noon – 6 PM (TELEPHONE CONTACT HOURS) … Continue reading EMF Surveys EMI Testing: Dallas Houston Austin