R&S®DDF1555 Compact Direction Finder

Accurate direction finding for use in outdoor applications

Key Facts

  • Wide frequency range from 20 MHz to 6 GHz (DF mode) and 9 kHz to 7.5 GHz (receive mode)
  • High-precision correlative interferometer DF method
  • Compact and robust for use in outdoor applications

Brief Description

The R&S®DDF1555 compact direction finder combines accurate direction finding with wideband monitoring capabilities in a compact housing suitable for outdoor use.

Features & Benefits

  • Wide frequency range
  • Extensive DF and spectrum monitoring capabilities
  • High-precision DF method
  • Support of various applications

Specifications

Frequency range
with R&S®ADD107 20 MHz to 1.3 GHz
with R&S®ADD207 690 MHz to 6 GHz
with R&S®ADD307 20 MHz to 690 MHz

Key Facts

  • Wide frequency range from 20 MHz to 6 GHz (DF mode) and 9 kHz to 7.5 GHz (receive mode)
  • High-precision correlative interferometer DF method
  • Compact and robust for use in outdoor applications
  • Integrated, fast wideband receiver with optional panorama scan for high-speed scanning of wide frequency ranges
  • Accurate DF antennas with integrated GPS module and electronic compass
  • Comprehensive range of accessories (options) for enhanced operational flexibility and quick and simple setup of the DF system

Brief Description

The R&S®DDF1555 compact direction finder combines accurate direction finding with wideband monitoring capabilities in a compact housing suitable for outdoor use. When paired with a Rohde & Schwarz compact DF antenna, the R&S®DDF1555 DF system becomes an optimum solution for applications that require portable and mobile direction finders for use in outdoor environments. A comprehensive range of accessories further enhances the flexibility of the DF system.

Features & Benefits

  • Extensive DF and spectrum monitoring capabilities
    • Quick channel scan for automatic signal search
    • Detailed IF spectrum display at high bandwidths
    • Fast spectrum monitoring
    • Demodulation of wideband signals
  • High-precision DF method
    • Correlative interferometer DF method
  • Support of various applications
    • Mobile direction finding
    • On-the-March DF station
    • Man portable DF station
    • Temporarily deployed DF station
  • Innovative, compact DF antennas
    • Compact DF antennas
    • Integrated GPS module and electronic compass
  • Signal analysis and classification
    • Monitoring of complete signal scenarios
    • Automatic detection, classification, demodulation and decoding of multiple signals
  • Wide range of options and accessories
    • R&S®DDF1555-IR internal recording
    • R&S®DDF1555-IG internal GPS module and external GPS antenna
    • R&S®DDF1555-PS panorama scan
  • Control and system software
    • R&S®DDF1555‑CTL control software
    • R&S®RAMON software components (options)
      • R&S®RA-DFWEB graphical user interface
      • R&S®RA-MLWEB graphical user interface

Specifications

DF mode
Frequency range with R&S®ADD107 20 MHz to 1.3 GHz
  with R&S®ADD207 690 MHz to 6 GHz
  with R&S®ADD307 20 MHz to 690 MHz
DF method  with DF antenna R&S®ADD207 or R&S®ADD307,
or with R&S®ADD107 above 173 MHz
correlative interferometer
  with DF antenna R&S®ADD107 below 173 MHz Watson-Watt
Display resolution selectable 0.1° or 1°
System DF accuracy depends on DF antenna (i.e. R&S®ADD207 or R&S®ADD307),
in reflection-free environment
 
  20 MHz to 6 GHz typ. 1° RMS
DF sensitivity depends on DF antenna (i.e. R&S®ADD207 or R&S®ADD307),
for 5º RMS DF fluctuation, 5 s integration time and
600 Hz DF bandwidth
 
  20 MHz to 50 MHz typ. 8.8 μV/m to 1.2 μV/m
  50 MHz to 690 MHz typ. < 1.0 μV/m
  690 MHz to 3 GHz typ. < 2.0 μV/m
  3 GHz to 6 GHz typ. 2 μV/m to 6 μV/m
Minimum signal duration for a single burst signal 10 ms
Minimum burst duration for multiple burst signals 0.5 ms
Receive mode
Frequency range with separate monitoring antenna 9 kHz to 7.5 GHz
IF spectrum display range selectable up to 10 MHz
Demodulation bandwidth selectable up to 500 kHz
Monitoring scan speed with R&S®DDF1555-PS option up to 1.8 GHz/s
General data
Dimensions W × H × D approx. 210.8 mm × 87.6 mm × 337 mm
(8.3 in × 3.45 in × 13.27 in)
Weight   approx. 4.5 kg (9.92 lb)
Operating time with R&S®DDF1555X10 battery in DF mode approx. 10 h
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