- Cars or other motorized vehicles using a LoJack technique or other anti-theft programs that could broadcast a radio frequency (RF) signal. The superior Electrical power fields made by these programs might interfere Along with the operation from the Handheld remote control and its ability to Handle stimulation. Clinical Heritage https://www.theorthopaedicandpainpractice.com/chronic-neck-and-shoulder-pain-relief-strategies-to-reduce-discomfort/