The ST-MX4000 is a Rack-mount compact and robust, highly accurate measurement system for digital broadcasting (DVB-T/-T2) specially design to be installed in transmitter sites, maintenance departments, test and laboratory applications.

The system combines real-time measurements and monitoring of RF modulation parameters, with MPEG transport stream analyzer functions in a single instrument.

The industry-leading Content-Analyzer application is operating on multiple inputs (terrestrial, ASI) in parallel, offering the most comprehensive measurement capabilities available in portable instruments to date.

Key Features:

Signal Monitoring

Field service, Troubleshooting

SNMP Supported

Quality of service measurements

Content verification

Network performance analysis

All-in-one-box. No external equipment required

Very good measurement quality

Ultra-robust design, methodically refined over one decade

RF, and Transport Stream analysis

Hardware and software from a single supplier


key characteristics

MER (>42 dB)



Impulse Response


Level accuracy 2 dB

Service Information decoding


PCR analysis

Triggered capture

Multi-Viewer with 4k UHD, H.265 support

ASI Input: Content Analysis of multiple transport streams. TR.101.290 1st, 2nd and 3rd priority, PCR analysis, Video decoding, Triggered capture, Black/Freeze and Mute detection on all services, H.265 UHD decoding and Comprehensive logging features.

DVB T/T2 RF Input: RF parameter measurements on terrestrial networks. Error Rates, Constellation and Echo displays. Calibrated level and MER readings.

DVB-S/S2 RF Input (Optional): Constellation, QPSK+, 8 APSK+, 16 APSK+, 32 APSK+, LDCP and BCH short and normal mode Level measurement, SNR measurement

Expert functions

  • Raw data menu with trigger functions for transport stream byte-level analysis
  • Packet menu with trigger function for transport stream packet-level analysis
  • Integrated report-generator function providing access to all measurement


  • Open interface to windows applications
  • Multi-channel coverage on map display with key performance parameter analysis

Physical and power

Dimensions         2U 19″

Weight         4 kg

Power supply          90 .. 260 V, 47.. 63 Hz


Operating temperature    0 ~ 40°C

Storage temperature        -20 ~ 50°C

Humidity               5 ~ 85 %,  non condensing