Your contact partner for this product is: Michael Hirschmueller ǀ +49 9078 9695-95 ǀ

Switching unit


The diversity switching unit GTS1880 is used in satellite ground stations. The active path is switched depending on different alarm signals. A manual switchover with lock is provided furthermore.


The switching unit is housed in a 3 U 19“ subrack with very good RF shielding and consists of the following sub-assemblies:

-    solid-state transfer switches
-    amplifiers with adjustable gain
-    redundant power supply units (optional)
-    voltage monitoring board (optional)

All the necessary signal, power supply and earthing connections are provided at the rear.
The mains switch and the manual control are located on the front panel.


The unit is controlled via an interface or with the manual control.

Technical datameasured at 25 °C
Configuration:4 amplifiers
2 transfer switches
Switching specifications
Number of inputs:4
Number of outputs:2
Impedance:50 Ohm
Frequency range:950 … 2150 MHz
Gain:0 … 20 dB adjustable
VSWR:1.45 : 1 max.
Input/input55 dB min.
Switch60 dB min.
Input power:- 10 dBm max.
Noise figure:
at 20 dB gain6.5 dB max.
at 0 dB gain10 dB max.
Switching time:100 ns max.
Further specifications
Control:manual control and interface
Signal connectors:N female, 50 Ohm
Power supply:195 … 264 VAC, 47 … 63 Hz
Connector3-pin, with mains filter and fuses
Mains switch:with integrated lamp
Temperature range:
Operating0 … 50 °C
EMC:in accordance with European standard EN 55022 and EN 50082-1/2
Height3 RU
Depthabout 360 mm (without connectors)
Front panel:painted light grey (RAL 7032)