(V)SHORAD IFF Interrogator

MSR 1000 I is a lightweight MkXIIAS IFF interrogator designed for VSHORAD and SHORAD applications including man-portable guns and vehicle applications. 

MSR 1000 I is a versatile device designed for a large scale of systems. The reduced size and weight make it easy to integrate on existing platforms.

MSR 1000 I can operate with the full spectrum of available IFF modes:

  • M1, M2, M3/A, MC
  • M4 (crypto-computer required) or Secure Mode
  • M5 Level 1 and 2 (crypto-computer required)
  • MS
  • Intermode A/C/S All Call, A/C only All Call
  • MS and M5 squitter processing


Interrogation modes


  • MkXA (modes 1, 2, 3/A and C)
  • MkXII (Mode 4)
  • MkXIIA (Mode 5 Level 1 and Level 2)
  • Mode S
  • Supermode capability
  • Mode interlace patterns
  • Intermode capability A/C-only All Call, A/C/S All Call


Transmitter output power

100 W on battery, 200 W with external power supply

Transmit frequency1,030  ±  0.01 MHz
Output gain control

10 dB adjustable in steps of 1 dB

Duty cycle1 % permanently
Centre frequency

1,090  ± 0.5 MHz

SensitivitySensitivity better than -75 dBm
Dynamic range70 dB
Standards compliance
STANAG 4193 parts I to VI, ICAO Annex 10


Cassidian QRTK6NG M4/M5 

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