ETSI EG 201 838-2000 电磁兼容性和无线频谱事务(ERM).根据导则1999/5/EC发布的接口规范.描述无线电接入接口的指南(版本1.1.1)
Electromagnetic Compatibility and Radio Spectrum Matters (ERM); Publication of Interface Specifications Under Directive 1999/5/EC; Guidelines for Describing Radio Access Interfaces