Electromagnetic Compatibility and Radio Spectrum Matters (ERM); Short Range Devices; Radio Equipment to Be Used in the 1 GHz to 40 GHz Frequency Range; Part 1: Technical Characteristics and Test Methods (V1.3.1)
The present document applies to Short Range Devices (SRDs) transmitters and receivers: a) transmitters operating in range from 1 GHz to 40 GHz with power levels ranging up to 4W; b) receivers operating in the range from 1 GHz to 40 GHz; The present document contains the technical characteristics for radio equipment and is referencingCEPT/ERC Recommendation for SRDs CEPT/ERC Recommendation 70-03 [1] and ERC Decisions. The present document does not necessarily include all the characteristics which may be required by a user@ nor does it necessarily represent the optimum performance achievable. It is a product family standard which may be completely or partially superseded by specific standards covering specific applications. The present document applies to generic SRDs: - either with a Radio Frequency (RF) output connection and specified antenna@ or with an integral antenna; - for alarms@ identification systems@ radio-determination@ telecommand@ telemetry etc. applications; - for all types of modulation; - with or without speech. When selecting parameters for new SRDs@ which may have inherent safety of human life implications@ manufacturers and users should pay particular attention to the potential for interference from other systems operating in the same or adjacent bands. The present document covers fixed stations@ mobile stations and portable stations. If a system includes transponders@ these are measured together with the transmitter. All types of modulation for radio devices are covered by the present document@ provided the requirements of clause 7.2 are met. The radio equipment@ covered by the classification SRD is divided into several power classes based on maximum output power (see table 1). The power class designation is based on CEPT/ERC Recommendation 70-03 [1] or ERC Decisions. On non-harmonized parameters@ national administrations may impose conditions on the type of modulation@ frequency@ channel/frequency separations@ maximum transmitter radiated field strength/maximum output current to a defined antenna@ duty cycle@ equipment marking and the inclusion of an automatic transmitter shut-off facility@ as a condition for the issue of an individual or general licence@ or as a condition for use under licence exemption. The present document does not require measurements for radiated emissions below 25 MHz.