The 700 MHz channels used by the LRGVRRS system will move to 800 MHz because of interference from Mexico. https://wireless2.fcc.gov/UlsApp/ApplicationSearch/applMain.jsp?applID=12361407 https://wireless2.fcc.gov/UlsEntry/attachments/attachmentViewRD.jsp;ATTACHMENTS=n2gTfbCLgqXL2yyfTyNrBc3JythYgNJVkTjTtGxGNxtTRQFVLkqp!516593627!-1202182306?applType=search&fileKey=171998086&attachmentKey=21056948&attachmentInd=applAttach