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Graupner - GR-4 2 Channel 2.4GHz HoTT Receiver

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    Graupner - GR-4 2 Channel 2.4GHz HoTT Receiver

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    Graupner - GR-4 2 Channel 2.4GHz HoTT Receiver

    Graupner - GR-4 2 Channel 2.4GHz HoTT Receiver 



    Compatible with all our HoTT 2.4 GHz telemetry radios, the Graupner GR-4 HoTT is a 4 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 P/N S8362, 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



    • GR-4 Receiver
    • Manual


    2 channels


    2400 to 2483.5 MHz


    2.4 GHz FHSS

    Temperature Range

    5 to 158 F

    -15 to 70 C

    Operating Voltage

    (2.5) 3.6 to 8.4V

    Current Consumption

    35.0 mA


    1640 ft

    500 m


    5.71 in

    145 mm




    1.18 x 0.82 x 0.56 in

    30 x 21 x 14.3 mm

    Weight Approx.

    0.19 oz

    5.5 g

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