Equipment Engineering - Environmental Conditions and Environmental Tests for Telecommunications Equipment; Part 1-3: Classification of Environmental Conditions Stationary Use at Weatherprotected Locations
Radio Equipment and Systems (RES); Short Range Devices (SRDs); Technical Characteristics and Test Methods for Radio Equipment to be Used in the 1 GHz to 25 GHz Frequency Range
Digital cellular telecommunications system (Phase 2); Base Station System (BSS) equipment specification; Part 1: Radio aspects (GSM 11.21 version 4.11.0)