ÖNORM EN 300113-1 V 1.5.1

The present document covers the minimum characteristics considered necessary in order to avoid harmful interference and to make acceptable use of the available frequencies. It does not necessarily include all the characteristics which may be required by a user, nor does it necessarily represent the optimum performance achievable. The present document applies to either constant envelope angle modulation systems or to non-constant envelope modulation systems for use in the land mobile service, operating on radio frequencies between 30 MHz and 1 GHz, with channel separations of 12,5 kHz, 20 kHz and 25 kHz, intended for data transmissions. It applies to digital and combined analogue and digital radio equipment with an internal or external antenna connector intended for the transmission of data and/or speech. It applies to equipment for continuous and/or discontinuous transmission of data and/or digital speech. Such equipment for discontinuous transmission can use, for example, the following techniques of transmission or access techniques: Packet data transmission in FDMA: Frequency Division Multiple Access; Bursty transmission in FDMA: Frequency Division Multiple Access; TDMA: Time Division Multiple Access; TDD: Time Division Duplex. And for equipment providing digital speech they can use, for example: Regular cyclic bursts allocated in TDMA for Half-Duplex speech communication; Regular cyclic bursts allocated in TDMA for Full-Duplex speech communication; VoIP: Packetisation of speech for Voice-over-IP approaches. The particular type of modulation will be chosen by the manufacturer, although it is recognized that in some countries national legislation may limit the use of certain code structures/data formats. The technical characteristics given in the present document are independent of data rate but may in practice limit the maximum data rate achievable. In the present document differ (...abbreviated)