They compare it with broadband to come with big numbers such as million times bigger, but actually it could be a mere doubling of fiber capacity? > 4.5 million

They compare it with broadband to come with big numbers such as million times bigger, but actually it could be a mere doubling of fiber capacity? > 4.5 million times faster than the average home broadband. > alongside the commercially available C and L-bands, we used two additional spectral bands called E-band and S-band anyone have better sources?