Technical Means for Radio Monitoring

Investigations - Design & Engineering - Manufacturing - Delivery - Maintenance


Two-Channel Panoramic Radio Receiver

Professional System for Revealing of Unauthorized Radio Emissions

Processing techniques and equipment are protected by the RF patents.


ARC-D11 Central Unit

ARC-D11 Central Unit

Typical Configuration:


ARC-D11 Operated in DF Mode with AS-HP1 Mounted on Vehicle Roof and Mast

ARC-D11 Operated in DF Mode with AS-HP1 Mounted on Vehicle Roof and Mast


Two physical channels of coherent receipt and digital processing

Broad operating frequency range:

High efficiency:

High interference immunity:

Multifunctional performance based on Software Defined Radio design approach:

Indoor radio monitoring (from 9 kHz to 40 GHz):

Outdoor radio monitoring (from 9 kHz to 40 GHz):

Common functions:

The Unit provides:

Basic Specifications

Operating frequency range for each channel 9 kHz – 8000 MHz
Frequency range for one of the channels with external frequency down-converter available 9 kHz - 18 (40) GHz
Input attenuator 0 to -30 dB with 2 dB increment
Maximum allowable input voltage 23 dBm
IF rejection, min. 70 dB
Image rejection, min. 70 dB
Intermodulation free dynamic range (3rd and 2nd order) 75 dB
Input IP3, attenuator off, min. 0 dBm
Input IP3 with 30 dB attenuator running 30 dBm
Transfer factor irregularity at operating frequencies of the basic configuration, max. ±3 dB

When operated with internal reference generator

Relative error of frequency tuning ±5×10-7

When Operated with External Reference Generator

Relative error of frequency tuning ±1×10-9

Panoramic Spectrum Analysis

Panoramic spectrum analysis rate up to 20 GHz/s
Detected signal minimum duration from 1 μs
Sensitivity with 3.125 kHz discreteness depending on the frequency 0.8 - 1.5 µV

Automated single-channel and multi-channel direction finding

DF method Correlative interferometer
Operating azimuth range 0° - 360°
Operating frequency range 1.5 - 8000 MHz (replaceable antenna systems)
Field sensitivity Depends on antenna system used
Instrument accuracy (RMS) Depends on antenna system used
Processed signal minimum duration 10 ms

Indoor Radio Monitoring

Coupling attenuation of antenna switches between channels (within range 25 – 3000 MHz),, min. 40 dB
System total sensitivity (wattage of a transmitter in an 8 x 8m room with 99% detection) 50 µW

Wire Network Monitoring

Signal detection level:
within 0.05 - 10 kHz 1 mV, max.
within 10 kHz - 1 MHz 100 µV, max.
within 1 MHz - 30 MHz 10 µV, max.
Input impedance of the probe
ARC-ASP2 1 MOhm, max.
ARC-PSP2 1 kOhm, max.
Max. input voltage of ARC-ASP2 network probe
below 60 Hz 400 V
from 60 Hz to 20 kHz 50 V
from 20 kHz to 5 MHz 10 V
Max. input voltage of ARC-PSP2 network probe 400 V

Radio Channel Monitoring, Technical Analysis and Broadcast Recording

Max. processing bandwidth:
within 9 kHz - 25 MHz 1 MHz
within 25 - 110 MHz range 5 MHz
within 110 - 220 MHz range 10 MHz
within 220 - 8000 MHz range 24 MHz
Types of recorded data radio signal sampling (I/Q), bearing, spectrograms, time
Continuous recording of radio signal within the band Up to 40 MHz
Continuous recording time Depends on storage volume

Demodulated signal recording

Demodulator bandwidth 250 kHz, 100 kHz, 50 kHz, 12 kHz, 6 kHz, 3 kHz
Receiver sensitivity in AM mode 1.5 μV, max.
Receiver sensitivity in FM (narrow) mode 0.8 μV, max.
Receiver tuning discrete 1 Hz
Demodulation types AM, FM, SSB, AT

Operating Parameters

Operating temperature range 0°C … +45°C
AC network power supply 90 - 250 V
Vehicle power supply 10 - 15 V
Power consumption (without PC), max. 70 W
Dimensions of central unit, max. 490×400×200 mm
Weight of central unit, max. 12 kg

Transportable and Portable Means