NTL-AJ2 Dual band Anti-Jamming GNSS Receiver

  • Separate units: Anti-Jamming GNSS receiver and active phase antenna array (NTL-AJA2s or NTL-AJA2)
  • Simultaneous GPS L1, L2, GLONASS L1, L2, Galileo E1BC, E5b, BeiDou B1, B2 Anti-jamming Navigation Solution
  • Multiply jammers interference resistance (up to 3 directions)
  • Anti-Jam protection in dynamic multi‑jammer scenarios
  • Exceptional Anti-Jamming performance
  • Based on NTLab’s ICs
  • Compact enclosure system for fixed and dynamic applications
  • Anti-jam protection on land, at sea, in the air

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Description

NTLab developed and produces the GNSS receiver with L1 and L2 signal bands anti-jamming capabilities, which can output accuracy position, velocity and time jam-free information even in dynamic multi‑jammer scenarios. The product supports GPS, GLONASS, Galileo, BeiDou  satellite constellations.

Spatial filtering methods are used to suppress jamming signals. The Anti-Jamming GNSS receiver, together with a phased array antenna (NTL-AJA2s or NTL-AJA2), implements the Null-Steering algorithm based on classic auto compensator architectures with equalization channels, and jamming signals are separated from the GNSS signals. The direction of GNSS signals can be determined using phased array antennas (up to 3), and more than one jamming signal can be nullified.

 

TECHNICAL SPECIFICATIONS

 

GNSS GPS L1(C/A), L2(CM), GLONASS L1(C/A), L2(C/A), Galileo E1BC, E5b, BeiDou B1, B2
Single jammer interference resistance up to 90 dB (J/S)
Multiply jammers interference resistance up to 82 dB (J/S)
Positioning accuracy (RMS)
Horizontal 2.1 m
Vertical 3.8 m
Data interface RS422
Operation conditions:
Altitude 18000 m
Velocity 515 m/s
Electrical parameters
Supply voltage 12…36 V DC, 24 V typical
Power consumption <9 W
Temperature
Operating -40°C to +71°C
Storage -45°C to +85°C
Weight and size
Dimensions (L х W х H) 229 mm х 167 mm x 42 mm
Weight receiver 1500 g
Protection IP67

 

The actual product may differ in appearance

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