<div dir="ltr"><div>I use products by Huber+Suhner, mainly gas discharge/EMP protectors.<br></div><div>Take a look here: <a href="https://www.hubersuhner.com/en/products/radio-frequency/lightning-emp-protectors">https://www.hubersuhner.com/en/products/radio-frequency/lightning-emp-protectors</a></div></div>