This range can be extended by using SELEX Communications' Repeater Radio Units (Radio Relay).
该射程可以通过使用SELEX通信的转发器无线电台(电台继电器)来扩大。
2
Repeater optical amplifiers for WDM optical communications systems have wide gain spectrums and, therefore, can simultaneously provide gain over the range of wavelengths used in the WDM system.