Theorist David Icke has said that the implementation of a 5G network could have “catastrophic effects on human health”.
This comes after suggestions that Chinese company Huawei could bid for contracts in the 5G network, though the government has said no final decisions have been made.
Mr Icke told talkRADIO’s Eamonn Holmes that the controversy around Huawei was a “smokescreen” to distract from the health implications of 5G.
“Everything in this world including the human body is actually an energetic field of information,” he said.
“We are interactive with these energetic fields, which quantum physics has shown exists, and the brain works electronically.
“It works on particular frequencies and therefore any external, technological frequency that disturbs the frequency balance of the body.
“It will have anything from mild to catastrophic effects on human health.”
MPs have raised concerns that giving Huawei access to the new 5G network would allow China to steal UK business secrets.
Labour MP Barry Sheerman said companies in his constituency are "frustrated" that for years Chinese firms have been "stealing their patents" and then undercutting them.
Mr Icke also claimed that the number of children “thinking of suicide” had risen because of their access to technology.
“Look at the levels of child suicide – and children thinking of suicide - that has emerged in this technological, social media era,” he said.
“It is going through the roof. Now that is a cause and effect because when you are in a sea of technological frequencies, you are going to be affected by that.”
According to the Samaritans, the UK’s suicide rate fell by 2.9 per cent in 2017, with male suicide reaching the lowest level in 30 years.
However, in February, Instagram announced that it would ban all graphic self-harm imagery as part of a series of changes after the death of a British teenager.
The social media platform made the decision in response to criticism after the 14-year-old girl who took her own life was found to have an Instagram account contained distressing material about depression and suicide.