Technical Means for Radio Monitoring

Investigations - Design & Engineering - Manufacturing - Delivery - Maintenance


Handheld Direction Finder


Direction finding in open and concealed modes

Direction finding in open and concealed modes

Typical configuration:

Components of ARC-RP3M

ARC-RP3M in transportation case and kit for operation of ARC-RP3M in concealed mode


Screenshots of Smartphone software

Probabilistic spectrum of Wi-Fi and GSM signals, and selective direction finding of DECT signal


Map mode of the software

Automatic localization of RF emitter in Map mode

Technical Specifications

Operating frequency range:
Basic configuration 9 kHz - 3 GHz
with ARC-KNV3M 9 kHz - 8 GHz
with ARC-KNV4M 9 kHz - 18 GHz
Intermodulation free dynamic range (3rd and 2nd order) 75 dB, min
Receiver tuning resolution 1 Hz
DF operating frequency range:
Basic configuration 300 kHz - 3 GHz
with ARC-KNV3M 300 kHz - 8 GHz
with ARC-KNV4M 300 kHz - 18 GHz
DF method Amplitude
DF sensitivity (20 - 3000 MHz) 3 - 15 µV/m
Signal level evaluation limits (with attenuators) -30 - 110 dBµV
Load recording duration (when storage is available) Depends on the storage volume
Maximum panorama spectrum analysis rate (with 12.5 kHz spectrum discreteness) 5 GHz/s
Registered parameters Amplitude-Frequency-Time
Receiver sensitivity 0.8 - 1.5 µV
Types of recorded data Signal, time, frequency
Maximum simultaneous bandwidth 24 MHz
Maximum I/Q bandwidth:
Continuous up to 5 MHz
Fragments Up to 22 MHz
Frequency band width for signal recording to internal storage (when available):
Within band up to 2 MHz 120 minute, min
Within 5 MHz band 60 minute, min
Within 10 MHz band 30 minute, min
Decoding service information of digital communications network signals GSM, UMTS, LTE, CDMA (IS-95, cdma2000, EV-DO), TETRA, DECT, DMR, dPMR, NXDN, APCO P25, Wi-Fi, Bluetooth, Zigbee
Continuous battery run-time 4 h
DC supply voltage 10 - 32 V
Voltage of AC power supply 90 - 250 V
Receiver dimensions 110×60×245 mm
Overall dimensions of the operating set including carriage means 400×300×150 mm
Handheld antenna system weight (with smartphone) 1 kg, max
Weight of radio receiver max. 1.7 kg
Operating set weight (with single antenna) 3.5 kg, max.
Weight of complete set 10 kg, max
Operating temperature range when using rugged Tablet PC as control and display unit -20°С – +45°C

Other technical specifications corresponds to parameters of ARGAMAK-M Digital Radio Receiver.

Direction Finders