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Spektrum DSMX SRXL2 Serial Micro Receiver (Spektrum 4650 | SPM4650)
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Model: Spektrum 4650
Dist. #: SPM4650   SKU: SPM4650

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South Jordan, UT
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List Price:  $29.99
Price:  $26.99
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Updated on May 27, 2020 06:07:32 PM

DSMX SRXL2 Serial Micro Receiver...

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SRXL2 Technology

Little, Lightweight and Perfect for the DIY Enthusiast

Wide Voltage Input Variety

Fly-By Telemetry

Dual Variety Antennas

Bind Button installed for Easy Binding

The SPM4650 DSMX SRXL2 Serial Micro Receiver takes the original SPM4648 receiver and adds more value, functionality and fly-by telemetry, while decreasing the size and weight of the currently micro sized Spektrum serial receiver. The SPM4650 utilizes our feature-rich SRXL2 procedure to give pilots a blazing fast serial data connection with as much as 20 channels. SRXL2 is a powerful interaction procedure that enhances bi-directional interaction in 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.
The SPM4650 is little, lightweight, and adjustable, supplying an excellent receiver for even the smallest of applications. It likewise features an easy bind button so pilots no longer require to carry a different receiver or bind plug to bind. Dual antennas supply receiver diversity for strong signal and the long coax antennas help to supply maximum signal strength in all orientations for difficult installations where carbon fiber, metal and batteries shield the antenna. And with Spektrum DSMX 2.4GHz RF procedure the Spektrum SRXL2 Serial Micro Receiver supplies exceptional variety and disturbance totally free performance.

What's in the Box?

(1) SPM4650 Receiver

(2) U.FL Antenna

(1) 6” Receiver Extension Cable

(1) Item Handbook

Clear Heat Shrink Wrap

SRXL2 Technology

SRXL2 Technology
The next iteration of Spektrum SRXL Technology * is here! SRXL2 Technology is an interaction procedure in between receivers and devices such as Multi rotor flight controllers, Helicopter Flybarless systems and other receivers. SRXL2 is faster, more data abundant, and more secure. It likewise permits bi-directional telemetry assistance, offering users more access to telemetry functions from their devices and even permitting setup and configuration right from their transmitter. No computer or wise gadget required! ** Want to find out more about SRXL2? Visit the SRXL2 Homepage.
* Please note that SRXL2 is not backward compatible with SRXL procedure.
** SRXL2 assistance updates are required for your gadget to use the SPM4650, check out for details and download links

Little, Lightweight, and Perfect for the DIY Enthusiast

Small, Lightweight, and Perfect for the DIY Enthusiast
Weighing just 1.4 grams and smaller than any previous Spektrum serial receiver, the SPM4650 is ready to be installed in the majority of types of multirotor and heli builds – no matter the space constraints. The receiver includes the plug uninstalled for the enthusiasts seeking to decrease weight and clutter. Merely connect leads straight to the PCB or mount the adapter and plug the consisted of wire from the SPM4650 into a compatible flight controller.

Wide Voltage Input Variety

Wide Voltage Input Range
With an operating voltage variety in between 3.3v to 8.4v, users will no longer be constrained to which devices they can use to operate their serial receiver now that the restricted voltage variety is removed.

Fly-By Telemetry

Fly-By Telemetry
Fly-By Telemetry is a low variety telemetry signal that is perfect for checking telemetry prior to and after a flight. And with SRXL2 Technology users will get back at more telemetry data and transmitter to gadget programming assistance by means of Forward Programming, VTX Setup, and/or Text Gen Programming.

Dual Variety Antennas
The SPM4650 utilizes an innovative antenna diversity system that supplies optimum variety, RF performance, and polarization. All supported by 2 long coaxial antennas that are perfect for FPV, Multirotor and Heli pilots with metal and carbon fiber plentiful models.

Bind Button installed for Easy Binding
No bind plug? No Problem! The SPM4650 is the most hassle-free to bind Spektrum serial receiver yet, merely press the bind button at any time, prior to or after power is applied, and the SPM4650 is in bind mode. And like other Spektrum serial receivers, users can likewise bind using a supported flight controller and computer, and now there is no need to power cycle!


Antenna Length: 3.9" (100mm)

Band: 2404 - 2476 MHz

Bind Technique: Bind Button

Channels: 18

Data Port: Yes

Failsafe: No

Flight Log Compatible: No

Governor: No

Height: 0.20" (5mm)

Input Voltage: 3.3 - 8.4V

Length: 0.67" (17mm)

Modulation: DSMX

Variety of Receivers: One

Variety: Complete

Telemetry: No

Type: SRXL V2

Water-Resistant: No

Weight: 0.05oz (1.4g) consisting of antennas

Width: 0.51" (13mm)
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