R&S®UMS400 Universal monitoring system

R&S®UMS400 Universal monitoring system
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R&S®UMS400 Universal monitoring system
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R&S®UMS400 Universal monitoring system
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R&S®UMS400 Universal monitoring system
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R&S®UMS400 Universal monitoring system , Front LowR&S®UMS400 Universal monitoring system , Front HighR&S®UMS400 Universal monitoring system , Side viewR&S®UMS400 Universal monitoring system , Back high

Key facts

  • Monitoring and TDOA from 8 kHz to 8 GHz (up to 20 GHz with R&S®CS-MC20)
  • AoA direction finding from 20 MHz to 8 GHz (depending on DF antenna)
  • Compact outdoor housing with integrated PC, hard disk and wireless connectivity
  • Signal measurements in line with ITU Recommendations (optional)
  • Streaming of I/Q data (optional) with up to 40 MHz real-time bandwidth

Outdoor spectrum monitoring and radiolocation solution

The R&S®UMS400 universal monitoring system can be used for spectrum monitoring and radiolocation from 8 kHz to 8 GHz and can be extended up to 20 GHz with the R&S®CS-MC20 microwave converter

The ever-increasing frequency range of wireless communications services calls for monitoring stations up to 8 GHz, in some cases even up to 20 GHz. Typically, this requires a monitoring sensor installed close to the antenna(s) in order to keep cable losses as low as possible for highest sensitivity. This is possible for both the R&S®UMS400 and R&S®CS-MC20, thanks to an outdoor housing.

Features & benefits

Frequency range extension

The frequency range of the R&S®UMS400 can be extended up to 20 GHz

The frequency range of the R&S®UMS400 can be extended up to 20 GHz with the R&S®CS-MC20 microwave converter. The compact outdoor housing means the R&S®CS-MC20 can be installed together with the R&S®UMS400 using the R&S®CS-OMK outdoor mounting kit.

Support of radiolocation

The R&S®UMS400 supports the time difference of arrival (TDOA) and angle of arrival (AoA) radiolocation as option

The R&S®UMS400 and the R&S®CS-TSA timestamp accuracy option support accurate radiolocation with the time difference on arrival (TDOA) method in combination with R&S®ARGUS spectrum monitoring software.
The R&S®UMS400 can be upgraded to direction finding (DF) with the R&S®CS-DF direction finding option in combination with an Rohde & Schwarz DF antenna (see product brochure for details).

Support of wideband signals

Monitoring and streaming of I/Q data (optional) with a real-time bandwidth of 40 MHz

The R&S®UMS400 supports the demodulation of signals with a bandwidth up to 40 MHz. Streaming of I/Q data is available by means of the R&S®CS-U10G 10G Ethernet interface as option.

Compliant signal measurements

The R&S®UMS400 supports the measurement of signals in line with ITU Recommendations

The R&S®UMS400 supports signal measurements in line with ITU Recommendations and can be integrated into monitoring systems running the R&S®ARGUS spectrum monitoring software or other control software easily thanks to its open interface.

Integrated antenna switch

The R&S®UMS400 features an antenna switch for two monitoring antennas

Both antenna connectors can be equipped with an R&S®CS-UDC DC feed to directly support active antennas.
When used with the R&S®CS-MC20 microwave downconverter is used, it occupies one of the antenna connectors.

Available models

Available models


Order number 4501.9001.02

Universal monitoring and TDOA system with Windows as operating system  (frequency range from 8 kHz to 8 GHz and 40 MHz real-time bandwidth)


Order number 4501.9001.03

Universal monitoring and TDOA system with Linux as operating system  (frequency range from 8 kHz to 8 GHz and 40 MHz real-time bandwidth)

Available options

Hardware options

Order number 4502.0408.02


DC feed for R&S®UMS400

DC feed for active antennas


Order number 4502.0508.02


10G Ethernet interface for R&S®UMS400

10G Ethernet interface

Software options

Order number 4500.7070.02


Panorama scan

Fast spectrum/monitoring scan over the entire frequency range


Order number 4500.7040.02


Polychrome spectrum

Display of signal level occurence in a color-coded spectrum


Order number 4500.7170.02


Timestamp accuracy

Accurate timestamps and external GNSS support


Order number 4500.7370.02


Direction finding upgrade

Direction finding for all signals within the real-time bandwidth


Order number 4500.7311.02


Spectral measurement

Occupied bandwidth and channel power measurements in line with ITU recommendations  


Order number 4500.7340.02


Modulation measurement

Analog modulation measurements in line with ITU recommendations


Order number 4500.7211.02


Field strength measurement

Field strength measurements in line with ITU recommendations


Order number 4500.7111.02


Time domain measurement

Simultaneous frequency and time domain analysis


Order number 4500.7270.02


IQ snapshot record, replay & analysis

Record, replay, and analysis of IQ data up to 40 MHz from internal memory


Order number 4500.7240.02


Trace recording and replay

Recording and replay of spectrum traces, measurement results and audio 


Order number 4500.7140.02


Mapping and geotagging

Display of measurement results on a map

Direction finding antennas

Order number 4090.7005.02


Compact VHF/UHF DF antenna

20 MHz to 1.3 GHz; vertical polarization; for installation on a vehicle roof or tripod; active antenna elements

Order number 4096.0002.02


Compact UHF/SHF DF antenna

600 MHz to 6 GHz; vertical polarization; for installation on a vehicle roof or tripod; passive antenna elements

Order number 4096.0002.12


Compact passive UHF/SHF DF antenna

600 MHz to 6 GHz ; vertical polarization; for installation on a vehicle roof or tripod, entirely passive from 600 MHz to 2.9 GHz

Order number 4098.2002.07


Collapsible VHF/UHF DF antenna

20 MHz to 690 MHz; vertical polarization; for installation on a tripod or portable mast; active antenna elements

Adapters for masts

Order number 3035.1154.02


Base Mast with tripod (height: 1.7 m)


Order number 3035.1160.02


Boom for supporting two antennas

Cables and adapters

Order number 4502.0308.02


Wireless modem for R&S®UMS400

Wireless modem, support of LTE-FDD, LTE-TDD and HSPA+


Order number 4502.0308.03


Wireless modem for R&S®UMS400

Wireless modem, support of LTE-FDD, LTE-TDD, HSPA+ and TD-SCDMA

Power supply

Order number 3051.7799.02


External AC power supply


Order number 4500.4506.02


Tripod with adapter

Carbon tripod with mast adapter for compact DF antenna

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