hidden radios may be embedded in solar-powered highway infrastructure

https://www.reuters.com/legal/government/us-warns-hidden-radios-may-be-embedded-solar-powered-highway-infrastructure-2025-09-10/

There is increasing concern from U.S. officials that the devices, along with the electronic systems that manage rechargeable batteries, could be seeded with rogue communications components ... ... energy officials had become concerned after experts found rogue communication devices in some Chinese inverters and batteries. ... In its advisory, the Federal Highway Administration warning cited federal and state-level reporting about “undocumented cellular radios” found inside inverters and batteries .... used to power a range of U.S. highway infrastructure, including signs, traffic cameras, weather stations, solar-powered visitor areas and warehouses, and electric vehicle chargers. .... Separately, Washington has also raised concerns over the presence of Chinese autos on U.S. highways, ...