- You may be looking for Reconnaissance scout.
Scout Daleks were a variant of Daleks.
Scout Daleks were used by the Imperial Daleks during the Shoreditch Incident, part of their civil war against the Renegade Daleks. They were described as more powerful and streamlined than standard Daleks. (PROSE: Remembrance of the Daleks)
A book about the history of N-Space speculated that, among other theories, the Dalek War Machine in the Morok Space Museum had been a solitary Dalek Scout that had been overpowered by the Morok Empire. (PROSE: The Whoniverse)