Alarm systems - intrusion systems - requirements for interconnections equipment using radio frequency techniques 警报系统.干扰系统.使用射频技术的互联设备要求
2.
Alarm systems - intrusion systems - part 5 - 3 : requirements for interconnections equipment using radio frequency techniques 警报系统.干扰系统.第5 - 3部分:使用射频技术的互联设备要求
3.
Alarm systems - intrusion systems - part 5 - 3 : requirements for interconnections equipment using radio frequency techniques ; german version en 50131 - 5 - 3 : 2005 警报系统.干扰系统.第5 - 3部分:使用射频技术的互联设备
4.
Fibre optic interconnecting devices and passive components - basic test and measurement procedures - part 3 - 6 : examinations and measurements - return loss 光纤互联设备和无源元件.基本试验和测量程序.第3 - 6部分:检验和测量.回程损耗