25 | 05 | 2024
VT-01 Ultracompact Transponder PDF Print

The Garrecht VT-01 Ultracompact Mode S Transponder

The Ultracompact is a single unit transponder that mounts in a standard 57 mm panel cut-out.  It includes an integrated altitude encoder.

The Ultracompact measures 61.5 x 61.5 x 170 mm and has a mass of only 570 grams.  It is designed for low-power applications drawing only 0.25 Amp continuous with a max draw of 0.45 Amp.

RS-232 GPS input is available to feed an ADS-B out signal.


VT-01 UC (Class 1 - 250 W): 1850 €
VT-01 UC (Class 2 - 150 W): 1765 €

Classes are defined by altitude and speed as follows

class 1: 250 W, up to 35000 ft, ≤ 250 kt
class 2: 150 W, up to 15000 ft, ≤ 175 kt

VT-01 Transponder PDF Print

The Garrecht VT-01 Mode S Transponder

Specifically designed for low-power consumption, the VT-01 is ideal for use in gliders.

It features an integrated altitude encoder and ADS-B (1090) out. All that is needed for the ADS-B out is to connect the main unit to an RS-232 GPS source, meeting the requirements for Mode S transponder systems (EUROCAE ED-73B Level 2 / RTCA DO-181C data link.

The VT-01 can be installed as a single unit, or as a main unit and remote display.  The remote display fits a standard 57 mm panel cut-out and connects to the static pressure and 12 VDC power.

The single unit measures 65 x 65 x 34.5 mm and the main unit measures 65 x 65 x 128 mm.  When combined as a single unit it measures 65 x 65 x 168.5 mm.  The combined mass is 800 grams.



VT-01 (class 2 - 150 W): 1890 €
VT-01 (class 1 - 250 W): 1975 €
Mounting Rack: 100 €
Wiring Harness: 27 €
Conversion kit for single unit installation: 6 €