HoTT Electric Air Module 2-14S Vario
HoTT Electric Air Module 2-14S

HoTT Electric Air Module 2-14S Vario

P/N: 33620


Monitor real-time telemetry data with the Graupner HoTT Electric Air Module 2-14S Vario.  Program various in-flight information parameters (battery voltage, individual cell voltage, flight altitude, battery consumption, etc.) to provide alarms and warnings in case certain thresholds are exceeded: no more surprise situations such as sudden battery depletion or accidentally flying out-of-range! All options and settings of the Electric Air Module can be set with any Graupner HoTT radio or optional Smart-Box (P/N 33700, sold separately).

The Graupner Electric Air Module is an important asset during flight, increasing safety and situational awareness to improve your system's reliability and performance.


  • Warning thresholds for minimum altitude, maximum altitude, climb/drop speed
  • Single cell voltage measurement of 2S-14S LiPo s with warning threshold for minimum cell voltage
  • Battery capacity used with warning threshold
  • Main battery voltage measurement with warning threshold
  • Programmable current limiter
  • Warning time can be set to: OFF, 5, 10, 15, 29, 30 seconds
  • Warning repeat time can be set to: 1, 2, 3, 4, 5 minutes
  • Optional support for two temperature sensors
  • Free firmware upgrades via Graupner Update Studio


  • Graupner HoTT Electric Air Module
  • JR 3-pin 280mm signal wire
  • 6mm gold connector x 2
  • LiPo 7S balancing connector x 2
  • Shrink tube x 4