Fixed Radio Systems - Point-to-point equipment - High capacity digital radio systems carrying STM-4 in two 40 MHz channels or 2 x STM-1 in a 40 MHz channel with alternate channel arrangement (Endorsement of the English version EN 301669 V 1.2.1 (2001-02) as German standard)
固定无线电系统.点对点设备.在两个40 MHz信道中携带STM-4或在一个40 MHz信道中携带2 x STM-1的高容量数字无线电系统 具有备用信道安排(认可英语版EN 301669 V 1.2.1(2001-02)作为德国标准)