DITTEL Avionik

KRT2 colour KTX2-b KRT 2 mini


KRT-2 aircraft transceiver

KRT2 colour


Developed by the original designer of the Filser (Funkwerk) transceivers, the EASA certified KRT2 VHF-AM transceiver includes all the features of high end avionics, at an affordable price.Features:



  • Full graphic LC-display allowing easy use under all light conditions including bright sun light.
  • Display illumination can be dimmed or turned off.
  • 8.33 kHz and 25kHz channel spacing, for future compatibility.
  • Standard or dynamic microphones can be used.
  • The dual watch mode that allows monitoring of two different channels, with priority.
  • Integrated VOX/Intercom circuit, allows communication between pilot and co-pilot.
  • Complete VHF transceiver in a 57mm housing, only 144mm in depth.
  • Memory for up to 100 user-definable named frequencies.
  • Remote control unit available for tandem seating.
  • Single knob for easy gloved hand operation.
  • Suitable for 14 or 28v aircraft
  • Certification: EASA.210.10038036


– Frequency Range: 118.000 MHz to 136.990 MHz
– Channel Selection: 8.33 or 25 kHz (select automatically)
– RF-Output Power: > 6 W (carrier power)
– Receiver Sensitivity: > 12 dB SINAD @ 2 uV
– Input Voltage Range: 9 V DC to 36 V DC
– Operating Temperature Range: -20°C to +55°C, for short time up to +70°C
– Current consumption: 1,6 A @12 V DC (transmit), 110mA@12 V DC (receive standby)
– Certification: ETSO-2C169a, ED-23B Class 4, C, TSO-C169a,Class 6, H1 & H2
– Function: dual watch mode, integrated VOX / Intercom
– Weight / dimensions: 360g / 65 x 65 x 144 (+ plugs) mm

Download the manual

– Vibration proof design – all large components glued down
– EMI filtering on electrical interface reduces interference
– Dual layer metal covers and milled metal front for maximum RF screening.
– Digitally aligned circuitry – no analogue adjustments.
– Ground buss inside connector simplifies wiring

Upgrade to a KRT-2

Tell us which radio you want to replace and we will deliver a KRT-2 with a wiring harness adapter.

Simply plug the adapter into the end of your existing wiring harness and plug the other end of the adapter into the rear of the KRT-2. In some cases, extra features of the KRT-2 may be utilised by connecting additional wires into a terminal block on the adapter, eg auxiliary audio input, etc

This offer is presently limited to the following radio models for which we can supply adapters :

Becker Avionics AR3201
Becker Avionics AR4201
Avionic Dittel ATR720
Walter Dittel FSG40
Walter Dittel FSG-70 and FSG71M
Walter Dittel FSG50 and FSG60M
Filser/Funkwerk ATR500 and ATR600
Microair 760 (state version)
XCom 760

If you have a radio not on this list, please contact us with details and we will try and assist you.

KTX2   Mode C/S Transponder


The KTX2 is the world’s smallest 57mm panel mounting Mode C/S transponder.  Only 144mm deep, the device utilises new digital single board technology to reduce size and power consumption.  The front face exactly matches that of the KRT-2 dual com transceiver, utilising the same metal case.

Technical Specifications

  • Weight: 360 g
  • Panel hole size Ø 57mm
  • Max. operating altitude: 35000 ft
  • Supply voltage:  9 VDC to 36VDC
  • Current consumption without interrogation: : 0,11 A or 1,3 WCurrent consumption with interogation: 0,27A  or 3,3 W to 0,75A or 9W depending on airspace category
  • Fuse size: 1,5 A, slow blow
  • Compass minimum distance:  30 cm
  • Transponder Class: KTX2 / Class 2 – 250 W
  • Altitude encoder built in
  • Mode-S code stored inside unit (not in connector or dongle)


ETSO C88a, 2C112b, C166a and TSO C88b, C112c, C166a

Temperature Range

  • Operating: -20 °C bis +55 °C
  • Storage: -55 °C to +85 °C

Installation data:

  • Height: 65mm
  • Width:  65mm
  • Depth: 144mm approximately, plus 60mm for connectors
  • Antenna connector:  TNC