R&S®MSD Modular system device

Modular system device for antenna switching and rotator control

R&S®MSD Modular system device
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R&S®MSD modular system device, front view

Key facts

  • Antenna switching and/or rotator control in one powerful device
  • Frequency range from DC to 26.5 GHz
  • Compact design (19", 2 HU)
  • Variable power supply (AC or DC)

Flexible antenna switching and rotator control in one compact device

To match project-specific requirements, various antenna switching and/or positioning modules can be inserted into the two rear slots of the 19" 2 HU rackmountable case. The R&S®MSD can be operated with AC power or DC power for maximum flexibility and easily integrated into a mobile monitoring vehicle. Additional options, such as DC feeds and splitters can be selected and round off the functions.

Features & benefits

Flexible switching of up to twelve antennas

Several options are available for greater antenna switching flexibility, such having antennas cover different frequency ranges or polarizations. The R&S®MSD is ideal for microwave monitoring. The R&S®MSD-SM8 switch module provides a single-pole sixthrow (SP6T) antenna switch for the frequency range from DC to 8 GHz and the R&S®MSD-SM26 switch module provides an SP6T antenna switch for the frequency range from DC to 26.5 GHz.

Additional system capabilities

The SPDT antenna switch, the splitter and the DC feeds can be used together with the R&S®MSD-SM8 and the R&S®MSD-SM26 switch modules. They are integrated into the switch modules so that no other module slots are occupied. Each switch module can have up to two SPDT antenna switches or splitters, up to four DC feeds and one DC feed switch.

Powerful control of up to four axis

The rotator control options can be used to control up to four axes: azimuth, elevation, polarization and antenna height.

Modular structure for customer requirements

The R&S®MSD allows easy adaptation and configuration to individual tasks and requirements. If requirements change, the R&S®MSD can be upgraded by inserting an additional module in an empty slot, or the basic rotator control module can be upgraded with the extension module. These modifications are done in a Rohde & Schwarz factory.

Available models

Available models
Frequency range


Order number 3046.4008.02

Frequency range
DC - 26,5 GHz

Available options

Hardware options

Order number 3046.4508.02


Switch module 8, SP6T switch, DC to 8 GHz


Order number 3046.4508.03


Switch module 8, SP6T switch, DC to 8 GHz, terminated


Order number 3046.4608.02


Switch module 26, SP6T switch, DC to 26.5 GHz


Order number 3046.4714.02


SPDT switch, DC to 8 GHz

Requires R&S®MSD-SM8/26 option


Order number 3046.6500.02


SPDT switch, DC to 8 GHz, terminated

Requires R&S®MSD-SM8/26 option


Order number 3046.5104.02


Splitter, DC to 8 GHz

Requires R&S®MSD-SM8/26 option


Order number 3046.5004.02


DC feed, powers one external 8 kHz to 8 GHz antenna

Requires R&S®MSD-SM8/26 option


Order number 3046.4666.02


DC feed switch

Requires R&S®MSD-SM8/26 option


Order number 3046.4808.02


Rotator control basic, controls 2 rotators/axes


Order number 3059.1002.02


Rotator control basic, controls 2 rotators/axes, for ProSisTel rotators


Order number 3046.4908.02


Rotator control extension, controls 1 rotator/axis plus one mast

Requires R&S®MSD-RCB option


Order number 3046.5204.02


AC power supply


Order number 3046.5304.02


DC power supply


Order number 3046.6200.02


Rotator current limiter

allows the operation of antenna rotators that require a high starting current

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