Transportable and Portable Means for Radio Monitoring


Portable Multi-Functional Radio Monitoring System

Professional System for Revealing of Unauthorized Radio Emissions

Processing techniques and equipment are protected by the RF patents.


  • Outdoor/indoor radio monitoring applications including:
    • Panoramic spectrum analysis
    • Radio signal parameter evaluation
    • Radio signal recording, and technical analysis
    • Analysis of parameters of wireless communication and data transmission network base stations (GSM, IS-95, cdma2000, EV-DO, TETRA, UMTS, LTE, Wi-Fi, WiMAX, DECT, DMR, APCO P25), as well as DVB-T/T2/H.



Typical Configuration:

  • Central unit of ARC-D1 with integrated digital radio receiver, antenna switch, AC and vehicle on-board power unit with charger and battery
  • ARC-A2M Wideband Antenna with operating frequency range from 25 to 3000 MHz
  • ARC-A14K Wideband Antenna with operating frequency range from 3 to 8 GHz
  • Network probes: active (ARC-ASP2) and passive (ARC-PSP2)
  • ARC-MA2 HF Magnetic Receive Antenna
  • ARC-A12 Wideband Antenna
  • Control and display unit with SMO-PA, SMO-STA, SMO-ASPD Software Packages.
  • Case for storage and transportation of the accessories


  • ARC-A7A-3 Broadband Antenna for Installation on Vehicle
  • ARC-A3A Directional Antenna Set and handle provided for amplitude direction finding
  • ARC-KNV4M Remote-Controlled Frequency Down-Converter (3-18 GHz)
  • Communication and data transmission equipment
  • SMO-BS Software Packages for Wireless Data Communication System Analysis: BS 3GPP (GSM, UMTS, LTE), BS CDMA (IS-95, cdma2000, EV-DO), BS TETRA, BS TRUNK (DMR, APCO P25), BS Wi-Fi, BS WiMAX
  • SMO-CT Software Package for DVB-T/T2/H Signal Analysis.


Broad operating frequency range:

  • 0.009 - 8000 MHz (optionally, up to 18000 MHz).

High efficiency:

  • Simultaneous bandwidth: up to 24 MHz
  • Panoramic spectrum analysis rate (with 25 kHz resolution): up to 10 GHz/s
  • Spectrum analysis rate within simultaneous bandwidth: up to 600 GHz/s
  • Detection of the pulse radio signal with the length: from 1 s

High interference immunity:

  • Intermodulation-free dynamic range (3rd and 2nd order): 75 dB
  • Maximum allowable input voltage: 23 dBm
  • IF rejection: 70 dB
  • Image rejection: 70 dB
  • Additional receiving path: 0.5 MHz bandwidth

Multifunctional performance based on Software Defined Radio design approach:

  • Indoor radio monitoring: 0.009 - 18 000 MHz
  • Identification of unauthorized radio emitters
  • Outdoor radio monitoring: 0.009 - 18 000 MHz
  • Multi-channel (up to 64 channels) recording of radio signals with 25/50 kHz bandwidth within the band up to 24 MHz
  • Continuous recording of radio signal within the band: up to 20 MHz
  • Radio signal technical analysis

Certificates of State Registration of Software Packages.

System Provides:

  • Real-time radio monitoring
  • Search, accumulation and maintenance of signal source database and processing of results.
  • Detection of any kind of radio emissions indoor, including signals with dynamic frequency-time structure (frequency hopping), noise-like signals, ultra-wide band (UWB) signals etc.
  • Continuous recording radio signal within the band up to 24 MHz
  • Technical analysis, determination of modulation type and evaluation of radio signal parameters
  • Check of frequency/time parameters and service information of base station of modern communication and data transmission systems (GSM, IS-95, cdma2000, EV-DO, UMTS, TETRA, DECT, LTE, DMR, APCO P25).
  • Wire network monitoring.

Basic Specifications

Panoramic Spectrum Analysis
Operating frequency range 9 kHz - 8 GHz
Input attenuator 0 to -30 dB with 2 dB increment
Maximum allowable input voltage 23 dBm
Panoramic spectrum analysis rate up to 10 GHz/s
Detected signal minimum duration 1 s
Sensitivity with 3.125 kHz discreteness depending on the frequency 0.8 - 1.5 V
When operated with internal reference generator
Relative error of frequency tuning ±5x10-7
Selectivity and Harmonic Distortions
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, min. 30 dBm
Transfer factor irregularity at operating frequencies of the basic configuration, max. ±3 dB
IF Signal
IF analogue signal frequency 70 MHz
IF output bandpass, ±1.5 dB variation 5 MHz, min.
IF output bandpass, ±3 dB variation up to 24 MHz
Indoor Radio Monitoring (from 9 kHz to 8000 MHz)
Antenna switch coupling attenuation, min. 40 dB
System total sensitivity (wattage of a transmitter in an 8 x 8m room with 99% detection) 50 W
Wire Network Monitoring
Signal detection level:
within 0.05 - 10 kHz 1 mV, max.
within 10 kHz - 1 MHz 100 V, max.
within 1 MHz - 30 MHz 10 V, 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), demodulated signals, spectrograms, time
Continuous recording of radio signal within the band up to 24 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 V, max.
Receiver sensitivity in FM (narrow) mode 0.8 V, 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. 60 W
Dimensions of central unit, max. 490 x 400 x 200 mm
Weight, max. 12 kg

Transportable and Portable Means for Radio Monitoring