DSMX Quad RaceSerial Receiver w/Telemtry by Spektrum RC

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Frederick, MD

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Spektrum RC
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This product was added to our catalog on November 1, 2016.

The Spektrum quad racing serial receiver (SPM4649T) offers full-range performance with integrated telemetry providing FPV racing enthusiasts with a serial receiver that can transmit vital telemetry data. Like the previous SPM4648 serial receiver, the 4649T offers a 1-wire serial connection that is compatible with most flight controllers (FC). Current improvements on the 4649T receiver include input for telemetry data such RPM, battery voltage and a many more features. Spektrum enthusiasts with telemetry capable transmitters such as the DX6, DX8, DX9 or DX18 can now receive on-demand telemetry data, and by using the voice functionality of compatible G2 transmitters, can have specific telemetry data outputted via the on-board audio system.


  • Small size and lightweight design
  • Works with most popular flight controllers
  • Single line connection provides output to FC while receiving telemetry input from FC or battery
  • Dual antennas for optimal range and RF performance

Telemetry options include:

  • Provided directly from receiver
    • Flight log data
    • Battery voltage
    • RPM
    • Lap Timer
  • Provided by external device e.g.: Flight Controller
    • Flight log if using more than 1 receiver
    • Battery voltage
    • RPM
    • Lap Timer
    • Current draw and total mAh consumption
    • Temperature
    • All other data the FC can send that we support such as GPS, accelerometer date, ESC data, etc...


  • Length: 1.2 inch (30mm)
  • Width: 0.6 inch (16mm)
  • Height: 0.2 inch (6mm)
  • Weight: 0.1 ounce (3 grams)
  • Input Voltage: 4-8.4V