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The XPDR-2150 series transponder is the next generation of C-band transponders. It is used primarily to augment and enhance the tracking capabilities of C-band ground radars.

The unit provides 50 watts of pulsed RF output with typical power consumption of 5 watts, giving this product line one of the lowest current draws in the industry today.

The XPDR-2150 is backward-compatible so that its form-factor matches legacy systems. There is no need to replace existing technology. The transponder is programmable with the TTCWare configuration application or over a serial communications port using terminal emulation. An optional RS-485 multi-drop interface is also available.


  • Miniature transponder
  • RCC-262-02 compatible
  • Solid-state design
  • C-band 5.4-5.9 GHz
  • High-efficiency power supply
  • Programmable via a serial COM port
    • Receiver and Transmitter Frequency
    • Pulse Width
    • Code Spacing
    • Reply Delay
  • Sensitive superheterodyne receiver
  • Crystal-controlled frequency stability
  • Small form factor (14 cubic inches)
  • Lightweight (16 ounces)
  • Mismatch protected from high antenna VSWR
  • No pressurization required



  • Instrumentation tracking radar
  • Range expansion/enhancement
  • Flight tests of various airborne vehicles
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