Graupner GR-12S 6 Channel 2.4GHz HoTT Receiver


Graupner GR-12S 6 Channel 2.4GHz HoTT Receiver

SKU: Graupner-33505 Category: Tag:


Graupner GR-12S 6 Channel 2.4GHz HoTT Receiver

Our most affordable 2.4GHz full range receiver with built-in telemetry, the Graupner GR-12S 6 Channel receiver is extremely small sized and lightweight, lending itself very well for small park flyers or indoor flyers. The ultra-low voltage requirements of the GR-12S allows it to operate on a single-cell LiPo making ideal for lightweight setups.

The GR-12S provides real-time bi-directional data transmission of critical system health data like temperatures, receiver voltage and signal strength using the Graupner HoTT protocol providing you with telemetry information you need for a safe and secure flight.  Servo connection requires a SC-type connector


  • Up to 75 channel hopping for extreme operating reliability and immunity to external interference
  • Extremely compact and lightweight
  • Three built-in programmable mixers
  • Wireless setup and access technology
  • Fail Safe and Hold function
  • Low power consumption
  • Real-time wireless flight data recording
  • Ultra-fast re-binding with HoTT radio
  • Wide voltage ranges from 3.6V to 8.4V
  • Built-in telemetry for temperatures, receiver voltage and receiver strength monitoring
  • SUM digital signal output


  • GR-12S Receiver
  • Manual


Channel: 6 channels
Frequency: 2400 – 2483.5 MHz
Modulation: 2.4GHz FHSS
Temperature Range: 5 to 158° F (-15 to 70° C)
Operating Voltage: (2.5) 3.6~8.4V
Current Consumption: 35.0 mA
Antennas x 2 : 5.93 in (150 mm)
Range (approx.): 3280 ft (1000 m)
Size: 1.2 x 0.79 x 0.35 in (31 x 20 x 9 mm)
Weight Approx.: 0.14 oz (4 g)

Additional information

Weight 0.50 lbs
Dimensions 6 × 2 × 2 in