"Removing the current restrictions would cause migration to increase and cause those who currently come to the UK for temporary purposes to seek more permanent employment in the UK, " he added.
These providers require a migration path to a much higher performance powerline technology to meet future bandwidth demands while maintaining interoperability with their current HomePlug AV installations and future IEEE1901 products.
Sir Andrew Green is chairman of Migration Watch, a body which says migration is neither moderate nor managed and seeks to "thoroughly examine" arguments in favour of immigration on the current scale.