ID 248338039 © Info963062 | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
3006 5g analysis analyzing antenna city communication danger data device display electromagnetic electronic emf environment environmental exposure field frequency handheld health high infrared investigating irradiation level machine measurement measuring meter mobile narda radiation radio radiofrequency range rf risk safety science scientific spectrum srm tech technology test tool unit wave 4k