The specification for the maximum length of the cable run between the Alien 02 and its base has been increased to 16 m (52 ft.). To achieve the increased cable run, three cable extension kits are now available.

• P/N 91611051, "Alien O2, 2 meter data/power extension, grey"
• P/N 91611060, "Alien O2, 5 meter data/power extension, grey"
• P/N 91611061, "Alien O2, 10 meter data/power extension, grey"