PHJD24 – Counter Surveillance Equipment

PHJD24 – Counter Surveillance Equipment

GENERAL DESCRIPTION

The counter surveillance equipment PHJD24 has been designed for detection of nonlinear junctions.
Nonlinear junctions include a wide variety of components such as diodes, transistors, IC’s, etc. The PHJD24 can detect electronic circuits such as hidden transmitters, and tape recorders even though DC source is NOT applied.

Corrosive junctions, hence discards false alarms. Both 2nd & 3rd harmonics The PHJD24 is a state-of-art the Non Linear Junction Detector based on the latest technology and includes DDS and DSP components. The system provides an evaluation of the 2nd and 3rd harmonic.

When the system receives a strong 2nd harmonic, it indicates the presence of electronic components while a strong 3rd harmonic reception indicates false is displayed at the same time.

Counter Surveillance Equipment

SOLUTION COMPONENTS

1. Transmitter:

a. Frequency: 840 – 915 MHz
b. Output power equal and no more than 4W (continuous)
c. FM modulation continuous (AM if customer requires)

2. Receiver:

a. 1,680 – 1,830 MHz and 2,520 – 2,745 MHz respectively
b. Sensitivity -133dBm

3. Antennas:

a. Control function with volume and power selection
b. All cables and connectors are secured

4. Output:

a. Audio: with and without headphone
b. Display: visual display distinguishing 2nd and 3rd harmonics
c. False alarm rate: lower than 3%

5. Power:

a. Battery: rechargeable with minimum 3 hours operation on single operation full charge. The battery has protection against reversed polarity.
b. Battery charger: 180 – 240V

6. Detects and identifies semiconductor and corrosive bimetal junctions

TECHNICAL ADVANTAGES

  • Fully digital system
  • Automatic or manual channel select
  • High power transmitter (+38 dBm)
  • Excellent receiver sensitivity
  • CW or Pulse mode operation

PHJD24 ADVANCEMENT

  • LED Display with high brightness
  • High gain circular antenna
  • Minimum setup time
  • Robust & lightweight design
  • Easy to use
  • Rechargeable batteries Li-Polymer

TECHNICAL SPECIFICATIONS

Transmitter

Output Power-Adjustable 18 – 38 dBm (Max. 8W)
Frequency Range840-915 MHz
Signal SourceDDS
Antenna50 Ohm Directional Antenna
Antenna Gain4 dBi

Receivers

Sensitivity-133 dBm
Frequency Ranges

1,680 – 1,830 MHz

2,520 – 2,745 MHz

Controls

Channel Select1 to 825
Output Power18 – 38 dBm with 1 dB steps
ON/OFFTouch panel

Mode of Operation

Channel SelectManual or Automatic Channel Select
Output PowerManual or Automatic Output Power
DisplayDouble row LED display

Mode of Operation

Operating Temp.-5ºC – +60ºC
Humidity5% – 90%

Physical

Sensing head21 cm in diameter
Weight2.5 Kg

*Specifications are subject to change without prior notice
*Ver. 1.00.04.17