A Positional Relay support system

A Positional Relay is a sophisticated T'au device that actively records detailed battlefield data before relaying it in a tight-band, encrypted burst to T'au assets in orbit, allowing them to better coordinate forces operating in strategic reserve.

The Positional Relay is a T'au Battlesuit Support System available to most forms of Battlesuit. Whilst the Positional Relay system is now a commonly available Support System for use, when first introduced, it was special-issue and entrusted only to Battlesuit pilots of the rank of Shas'vre or higher.

The previous rarity of the system also meant that its distribution was originally limited to only one per Hunter Cadre, although this has since changed.


  • Codex: Tau Empire (4th Edition), pg. 27
  • Codex: Tau Empire (6th Edition), pg. 69
  • Rogue Trader: Tau Character Guide (RPG), pp. 27, 34
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