Manual for SRH3800 GPS, SRH3800, made by Sepura PLC (Sepura PLC) SRH3800 GPS, SRH3800, Sepura PLC. Anatel 03026-09-03824 operating details These options might help answer your questions for Sepura. Can I have a copy of the radio user guide? Quick reference guides for the terminals are User manual instruction guide for TETRA Mobile/Gateway Terminal SRG3900XN Sepura plc. Setup instructions, pairing guide, and how to reset. The Sepura SRH3500/SRH3800/SRH3900 are handheld TETRA terminals which conform to the ETSI standards and can operate in either Trunked Mode of Operation