DIN EN 300392-5-2011 地面集群无线电(TETRA)- 声音加数据(V+D).第5部分:外围设备接口(PEI)(英文版本EN 300392-5 V2.2.1 (2010-07)的核准本作为德国标准)
Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) and Direct Mode Operation (DMO) - Part 5: Peripheral Equipment Interface (PEI) (Endorsement of the English version EN 300392-5 V2.2.1 (2010-07) as German standard)