- Cars or other motorized vehicles utilizing a LoJack system or other anti-theft programs that will broadcast a radio frequency (RF) sign. The large Power fields produced by these devices may well interfere Together with the Procedure in the Handheld remote control and its power to control stimulation. Psychosocial Things: https://www.theorthopaedicandpainpractice.com/chronic-neck-and-shoulder-pain-relief-strategies-to-reduce-discomfort/