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Type
Dimensions (L × W × H)
Antenna Length
Weight
Band
Voltage Range
Replacement Antenna
Spektrum SRXL2
The SPM4650C uses the SRXL V2 communication protocol to connect to fl ight
controllers. It is not compatible with remote receiver protocol.
For more information on Spektrum radio control system visit:
http://www.spektrumrc.com
Installation Instructions
1. Connect the receiver to your fl ight controller as shown in the diagram below.
2. Install the active portion of the antennas (the exposed section at the end of
the antenna wire) as far as possible from metal, carbon fi ber, and wiring.
WARNING: Do not kink, cut or damage the antenna wire. The
antenna is made of a coaxial wire; if the outer sheath becomes
damaged, the receiver will not work properly.
Orange LED
Bind Button
Connector
Binding
The SPM4650C requires a 3.3V – 8.4V volt power supply from the fl ight controller.
1. Press and hold the bind button on the receiver.
2. Power on the Aircraft. The orange LED will begin fl ashing.
3. Put the transmitter into bind mode. The LED on the receiver will light solid
when the transmitter and receiver are bound.
Alternatively the SPM4650C receiver may be put into bind mode through the
fl ight controller interface.
SPM4650C
SRXL V2 DSMX Serial Receiver
17mm x 13mm x 5mm
100mm
1.4g
2404 MHz – 2476 MHz
3.3V – 8.4V
SPM4648ANT
Active portion of antennas
Connector from fl ight controller
EN
3
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