[chriscappuccio]

6ghz isn't very fragile, 60ghz is

[bangaladore]

60ghz is isn't very fragile, 600 ghz is

[semi-extrinsic]

You kids get off my submillimetre lawn.

[K0balt]

600ghz isn’t very fragile at 50db, 6THz is! (6THz if a common wavelength for fiber)