Sen. John Barrasso John Anthony BarrassoSenate to push funding bill vote up against shutdown deadline The conservative case for phasing out hydrofluorocarbons GOP senator attacks Biden: 'I'm not sure what he recalls' MORE (R-Wyo.) said Sunday that President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE lifting the ban on U.S. companies doing business with Chinese tech giant Huawei does "concern him," without denouncing Trump's recent announcement.

"I'm very concerned about Huawei, I think they are a threat to our national security," Barrasso said on NBC's "Meet the Press."

Barrasso said allowing Huawei in the U.S. "would be like the Trojan Horse ready to steal more information."

While Barrasso expressed confidence in the president as a "deal maker," he said Trump's recent reversal is a concern when pushed by NBC's Chuck Todd Charles (Chuck) David ToddMurkowski: Supreme Court nominee should not be taken up before election Republican senator says plans to confirm justice before election 'completely consistent with the precedent' Sunday shows - Trump team defends coronavirus response MORE. ADVERTISEMENT

"The president said that would be the last discussion point of the discussion on trade, let them work with other parts of this. But to me Huawei should not be in the United States," Barrasso said.

Trump announced he would allow U.S. companies to sell products to Huawei Saturday at the Group of 20 Summit.

The tech company is on a Commerce Department "entity list" that requires U.S. companies to get permission from Washington before selling components to the Chinese firm.

Sen. Marco Rubio Marco Antonio RubioGOP lawmakers distance themselves from Trump comments on transfer of power McConnell pushes back on Trump: 'There will be an orderly transition' Graham vows GOP will accept election results after Trump comments MORE (D-Fla.) earlier Saturday called out Trump's reversal.