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Spektrum SPM4650 / SRXL2 DSMX Radio Receiver (Aircraft)

Regular price $31.99

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The Spektrum SPM4650 DSMX SRXL2 serial micro radio receiver is designed to be used with FPV drones. This receiver provides more value, functionality and fly-by telemetry while decreasing the size and weight of the already micro-sized Spektrum serial receiver. The SPM4650 uses Spektrum's feature-rich SRXL2 protocol to give pilots a blazing fast serial data connection with up to 20 channels. SRXL2 is a powerful communication protocol that improves bi-directional communication between the radio system and flight controller for added telemetry functionality and flight control configuration right from the pilots Spektrum Transmitter*, all over one signal wire.

 


SPECIFICATIONS:

  • Antenna Length: 3.9" (100mm)
  • Bind Method: Bind Button or SRXL2 Bind Command
  • Channels: 20
  • Data Port: Yes
  • Input Voltage: 3.3 - 8.4V
  • Length: 0.67" (17mm)
  • Modulation: DSMX/DSM2
  • Range: Full
  • Telemetry: Fly By
  • Type: SRXL2
  • Weight: 0.05oz (1.4g) including antennas
  • Width: 0.51" (13mm)

HELPFUL LINKS:

SPM4650 Manual

Github Page

 

INCLUDES:

(1) SPM4650 Receiver
(2) U.FL Antenna
(1) 6” Receiver Extension Cable
(1) 4-Pin Connector
(1) Product Manual
(1) Clear Heat Shrink Wrap

 

Note: Betaflight 4.1 and the latest configurator supports SRXL2 so there are no CLI commands needed! For reference however, see below:

 

feature -RSSI_ADC
feature RX_SERIAL
feature TELEMETRY
map TAER1234
set rssi_channel = 0
set serialrx_provider = SRXL2
set serialrx_inverted = OFF
set srxl2_unit_id = 1
set srxl2_baud_fast = ON

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