Hand with flight radio

TQ-General Aviation

Certified avionics products for general aviation – TQ KRT2 radio transceivers and KTX2 transponders.

Current Products –
what’s behind them, and those to come. Engineered till there’s nothing left to remove.

KRT2 Series

VHF Communications Radios
Small, lightweight, energy-efficient and packed with digital technology. Designed for singles, twins, light sport, homebuilts, ultralights, gliders and balloons.


  • Very high-frequency stability under all operating conditions
  • 25/8.33 kHz channel separation
  • Minimal power consumption
  • Intuitive controls developed by pilots for pilots
  • Crystal-clear transmission
  • Easily toggles between two operating frequencies
  • Integrated 2-place intercom
  • Easy installation
  • Remote control head available for tandem seating
  • Engineered and built in Germany


KTX2 Series

Mode S Transponders with ADS-B Out
The new, KTX2 is a superlight Mode S transponder with ADS-B In and Out capability. Ideal for any aircraft up to 12,500 lbs, including singles and twins, gliders, homebuilts, ultralights, and balloons.


  • Transmits flight level with 24-bit-identification
  • Receives requests from ATC
  • Integrated altitude encoder
  • Minimum power consumption
  • Intuitive controls developed by pilots for pilots
  • Easily installed in cockpits with limited space
  • Engineered and built in Germany


Product Support – simply the best.

Though we don't expect much warranty work and repairs will be needed, we always want to ensure our customers are fully protected from any loss of productivity from our products. In this regard, we have partnered with the very best avionics facility in North America - Mid-Continent Instruments & Avionics - to oversee all warranty and repair work. The engineers and technicians at Mid-Continent work to the most exacting standards in the industry.

Sales and Distribution – where to buy what we build.

Are you an avionics reseller or aviation maintenance facility? Become a dealer to take advantage of the best prices and lead times from TQ Aviation.A complete list of our current distributors can be found here


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Our aviation experience runs wide, and deep.

From the world's largest commercial passenger jets to the smallest general aviation singles, homebuilts and gliders - aircraft electronics from TQ are setting new standards in technology, ease of use, and quality without question. Together wirh our customers we are helping shape tomorrow, today. And the future looks very bright indeed. Have a look at our lates video to see some of our products in action.


German engineering stands for the elimination of excess. Simplicity in service of function. Problems solved without bravado or fanfare. That’s why we’re so proud to have our products engineered and built in Germany.


At TQ, excellence is the starting point. Then we design. Refine. And perfect. Till our aircraft electronics are pure expressions of utility. Each designed to potentially outlast its aircraft and set the standard for performance in its category. Whether it’s our KRT2 transceiver, or our KTX2 Mode S transponder – or any one of our full-line of products to come.


Lightweight yet durable. Technologically advanced yet elegantly simple. In short, we build products that earn their way into your cockpit and intuitively insinuate themselves into your routine. Freeing you to focus on your flight.


Contact Us – we’d enjoy hearing from you.

The team at TQ have always been great listeners – and we pride ourselves on being knowledgeable about our products and their applications, as well as hearing observations, comments and requests to better support our products, and the world we live in. Our corporate slogan, in fact, is: “Determined to shape tomorrow, today.”


We believe listening to, and working closely with, those who use the products we build is absolutely tantamount to consistently bringing that slogan to life each and every day. So please don’t be shy about reaching out anytime. If we don’t have an answer, we’ll find it – and if we don’t yet have a solution, we’ll create one. After all, we are Undeniably German.


For information on our current and future products or plans, please contact:

TQ-Systems USA Inc.

424 Network Station

Chesapeake, VA 23320



Technical Library

We have assembled a library of manuals, brochures, and various other documents to support our products. Feel free to download what you need and please contact us if you have questions.