 Their primary equipment is the AN/PRD-13 SOF SIGINT Manpack System (SSMS), with capabilities including direction-finding capability from 2 MHz to 2 GHz, and monitoring from 1 to 1400 MHz.SOT-As also have the abilities to exploit computer networks, and sophisticated communications systems.The British 18 (UKSF) Signal Regiment provides SIGINT personnel, including from the 264 (SAS) Signals Squadron and SBS Signals Squadron to provide specialist SIGINT, secure communications, and information technology augmentation to operational units.