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96 Years of Robbe



Not in stock. Available on approx. 09/30/2020.

Product number: 33502
Compatible with all our HoTT 2.4 GHz telemetry radios, the Graupner GR-4 HoTT is a 2 channel receiver with bi-directional data transmission for real-time information regarding system health and performance precision and function.

Its compact size and top connector access makes the GR-4 well suited for any type of installation, especially where space is limited. The GR-4 HoTT receiver is packed with standard features such as telemetry for signal strength, receiver voltage, temperature and main pack voltage (available with sensor, sold separately). With a range of up to 500 meters and full spectrum utilization the GR-4 guarantees a reliable connection even at the most congested race tracks.

  • Up to 75 channel hopping for extreme operating reliability and immunity to external interference
  • Compact and lightweight
  • Wireless setup
  • Fail Safe and Hold function
  • Low power consumption
  • Real-time wireless telemetry data recording
  • Ultra-fast re-binding with HoTT radio
  • Wide voltage ranges from 2.6V to 8.4V
  • Built-in telemetry for temperatures, receiver voltage and receiver strength monitoring

Technical data
  • width: 21 mm
  • Height approx.: 15 mm
  • Temperature range: -15...70 °C
  • Antenna length: 1 x wire 145 (antenna 30) mm
  • Total weight approx.: 6 g
  • Frequency: 2400... 2483.5 MHz
  • Range approx.: 500 m
  • Length approx.: 30 mm
  • Dimensions approx.: 30 x 21 x 15 mm
  • Modulation: 2.4 GHz FHSS
  • Power consumption: 35 mA
  • Operating voltage: (2,5) 3,6 ... 8,4 V
  • Channels: 2
  • number of antennas: 1

Technical data
Channels: 2
L/W/H (mm): 30/21/15
PO No.: 9776511
Weight (g): 6
Graupner, based in Kirchheim, Germany, was founded by the family Graupner and, up until March 2013, operated under the third Graupner generation from Stefan Graupner. In March 2013, the company was purchased by the manufacturer of Graupner HoTT RC Transmitter Systems. Graupner covers a large RC assortment including RC Cars and Trucks (GM), Helicopters, Airplanes, RC Electronics (HoTT 2,4GHZ), Chargers, RC Glow-Powered Motors (OS) as well as a large variety of Electric-Powered Brushless Motors. Graupner supplies around 2000 retailers throughout the world.

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