Lightning Arrestor Home>Products>Lightning Arrestor Accessories Lightning Arrestor The Lightning Arrestor helps protect your GPS installation from damage due to lightning strikes. Expert help Proven results Local support Product Features DC voltage up to 15Vdc.Spike protection to suppress spikes over +16.5V to the DC Power Supply.Capable of 20,000 Amp maximum surges. Frequency range of 800 MHz to 2.5 GHz.