SPECTRAN® V4 DF

The flexible all-rounder for radio monitoring and fault detection 

The SPECTRAN® V4 DF is a cost-effective, versatile radio monitor that, thanks to its lightweight design, is also ideal for mobile use. It combines the functions of orientation instruments, spectrum analyzers, and other measuring devices, making it perfectly suited for a wide range of applications in radio monitoring and interference detection in the field. Its fields of application range from spectrum management by authorities to the development and analysis of radio technology, as well as scientific research, teaching experiments, and military exercises for the detection and suppression of radio interference. 

Key Features:

• 1.3 kg weight 
• High direction-finding speed 
• Improved accuracy in direction determination 
• Frequency range up to 6 GHz 
• Orientation, spectrum analysis and EMF measurement 
• integrated Battery life up to 3 hours 
• Excellent price-performance ratio 
• Optimized user experience 
• 6 Integrated Apps Spectrum Analyzer – Spectrum analysis Field Strength Measurement – Field strength measurement Orientation – Orientation Tone Approaching Search – Tone signal search mode Angle of Arrival (AoA) – Angle of arrival determination 
• Coverage Mapping – Coverage and range mapping 
• Optional upon request at extra charge: GNSS Interference Hunting – GNSS interference detection 
• Optional upon request at extra charge: Spurious Emission Measurement – Measurement of unwanted emissions 

• SPECTRAN® V4 Handheld RF Direction Finder 
• Battery 
• Power Adapter 12V 2A 
• Power Adaptor Plug Cord (Unite States) 
• Power Adaptor Plug Cord (Europe) 
• Black Transit Case 
• Straps 
• LogPer Antenna (500MHz to 6GHz) 
• Directional Loop Antenna #1 (20MHz to 250MHz) 
• Directional Loop Antenna #2 (200MHz to 500MHz) 
• Power Supply DC Vehicle Adapter(12V/5A) 
• USB-C docking station Splitter 
• User manual 

The integrated orientation measurement enables the user to quickly and accurately determine the direction of an interference signal. The direction-finding device is held in a horizontal position. Before starting the procedure, the internal electronic compass must be calibrated by rotating the device once through 360°. Then: Switch on the direction-finding mode Rotate at a speed of approx. 2 seconds per revolution Switch off the direction-finding mode at the end The user interface will then display the direction-finding radar chart, which shows: Yellow (Azimuth): the current real-time antenna pointing direction Red (Confirmation): the calculated angle from which the interference signal is actually arriving Note on angle representation: The compass is defined with 0° = North (N). The scale increases clockwise up to 359°.