VPJ-1
VPJ-1 vehicle protection jammer
A vehicle-mounted jamming unit for protection against radio-controlled improvised explosive devices and unauthorised use of cellular communication devices, blocking up to three frequency bands simultaneously and independently within 5 to 10 metres of the vehicle.
Specification
| Frequency ranges | BH1 800-1500 MHz, BH2 1500-2170 MHz, BH3 2170-2500 MHz |
|---|---|
| Synthesizer type | digital |
| Jamming signal type | fast CW sweep signal, chirp (sweep time as low as 20 µsec) |
| Output power | 27 dBm for all bands independently |
| Antenna system | three PCB antennas |
| Antenna frequency ranges | ANTENNA1 800-1500 MHz, ANTENNA2 1500-2170 MHz, ANTENNA3 2170-2500 MHz |
| Impedance | 50 Ω unbalanced |
| Radiation (H-plane), beamwidth at -3 dB | 70° at 920 MHz; 60° at 1920 MHz |
| Radiation (E-plane), beamwidth at -3 dB | 70° at 920 MHz; 60° at 1920 MHz |
| Polarization | linear vertical |
| Gain | 5 dBi |
| S.W.R. in bandwidth | ≤ 2.0:1 from 800 to 1500 MHz; ≤ 1.8:1 from 1500 to 2500 MHz |
| Max. power | 0.5 W (CW) per band at 50 °C |
| Connector | SMA-female |
| Dimensions ANTENNA1 | 148.3 x 127 x 45 mm |
| Dimensions ANTENNA2 | 148.3 x 127 x 30 mm |
| Dimensions ANTENNA3 | 120.5 x 75.5 x 20 mm |
| Dimensions jammer unit | 300 x 265 x 80 mm |
| Power supply | 12 Vdc / 24 Vdc |
| Consumption | 40 VA |
| Operating temperature range | -20 °C to +60 °C |
| Effective jamming radius | 5-10 m depending on signal strength at site |
| Remote control | optional |
All data provided for information purposes; final specification is defined per contract. Full technical data sheets are issued on request against a stated end-user.