ARD-4008 HF DF Receiver is a high-end, state-of-the-art receiver equipment for all types of COMINT-DF applications. ARD-4008 has a flexible digital receiver architecture for implementing accurate direction finding functionality in fixed and mobile platforms.

ARD-4008 has 1-30 MHz frequency coverage in 1 Hz steps.

ARD-4008 provides the reception capabilities to perform search and detection of emissions in a wide band and help to determine angle of arrival of the detected signals with its coherent multichannel.

ARD-4008 HF DF Receiver utilizes the latest digital architecture to achieve outstanding DF performance and high sensitivity.
General features          

    Compatible with a-SMARD family of  products; Monitoring receivers, recorders, etc.,
    Demodulation capability  for AM, FM, LSB, USB, ISB, CW, I/Q signals,
    Digital data stream IQ and FFT output at the selected IF BW,
    Online remote controlled operation via Ethernet interface
    SW support packages, for fixed and mobile applications.
    Extensive built-in self test
    Digital audio output,

    ​​​ ​Specifications  
    ​Frequency coverage        ​    10 kHz-30 MHz​
    ​Tuning Resolution                    ​1 Hz​
    ​Number of Channels    ​           8
    ​Channel Modes                        Phase coherent​
    ​Selectable Demod. Filters     ​30 Filters (within 0,05-32 KHz  range) ​
    ​AM/FM/SSB-ISB/CW                  ​-106/-104/-108/-125 dBm typical​l​
    ​Frequency stability                  1 ppm ​
    ​Power input                                 18-32VDC (≤160W)​
    ​Size         ​                                        19 inch, 2U, 50 cm depth​
    ​Weight         ​                                  ≤16 kg​
    ​Shock, Vibration        ​                 MIL-STD-810G​
    ​EMI/EMC                                         ​MIL-STD-461E​
    ​Operating Temp. Range        ​ -10/+50°C​
    ​Storage Temp. Range             ​ -40/+60°C ​