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Spektrum DSMX SRXL2 Serial Micro Receiver (Spektrum 4650 | SPM4650)

Model: Spektrum 4650
Dist. #: SPM4650   SKU: SPM4650

Customer Reviews: Rated 5.0 stars 5 of 5 (1 Review)

Shipping: In Stock For Shipping
Store Pickup:

South Jordan, UT
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Price:  $39.99

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Updated on May 17, 2025 07:14:31 PM

DSMX SRXL2 Serial Micro Receiver...


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Features

SRXL2 Innovation

Little, Lightweight and Perfect for the DIY Enthusiast

Wide Voltage Input Range

Fly-By Telemetry

Dual Variety Antennas

Bind Button installed for Easy Binding





Overview
The SPM4650 DSMX SRXL2 Serial Micro Receiver takes the original SPM4648 receiver and includes more value, performance and fly-by telemetry, while reducing the size and weight of the already micro sized Spektrum serial receiver. The SPM4650 uses our feature-rich SRXL2 protocol to provide pilots a blazing fast serial information connection with up to 20 channels. SRXL2 is an effective interaction protocol that improves bi-directional interaction in between the radio system and flight controller for included telemetry performance and flight control setup right from the pilots Spektrum Transmitter*, all over one signal wire.
The SPM4650 is little, lightweight, and customizable, offering an outstanding receiver for even the tiniest of applications. It likewise includes a simple bind button so pilots no longer require to bring a separate receiver or bind plug to bind. Dual antennas provide receiver variety for solid signal and the long coax antennas help to provide optimal signal strength in all orientations for tough setups where carbon fiber, metal and batteries protect the antenna. And with Spektrum DSMX 2.4GHz RF protocol the Spektrum SRXL2 Serial Micro Receiver provides impressive range and disturbance free performance.





What's in the Box?

(1) SPM4650 Receiver

(2) U.FL Antenna

(1) 6” Receiver Extension Cable

(1) Item Manual

Clear Heat Shrink Wrap







SRXL2 Innovation

SRXL2 Technology
The next version of Spektrum SRXL Innovation * is here! SRXL2 Innovation is a communication protocol in between receivers and gadgets such as Multi rotor flight controllers, Helicopter Flybarless units and other receivers. SRXL2 is quicker, more information rich, and more safe and secure. It likewise enables bi-directional telemetry assistance, giving users more access to telemetry functions from their gadgets and even enabling setup and setup right from their transmitter. No computer system or smart device required! ** Want to discover more about SRXL2? Check Out the SRXL2 Homepage.
* Please keep in mind that SRXL2 is not backwards compatible with SRXL protocol.
** SRXL2 assistance updates are required for your device to utilize the SPM4650, check out www.srxl2.com for information 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 prepared to be installed in many types of multirotor and heli builds – no matter the area constraints. The receiver includes the plug uninstalled for the lovers wanting to lower weight and clutter. Merely connect leads straight to the PCB or install the adapter and plug the included wire from the SPM4650 into a suitable flight controller.
 





Wide Voltage Input Range

Wide Voltage Input Range
With an operating voltage range in between 3.3v to 8.4v, users will no longer be constrained to which gadgets they can utilize to run their serial receiver now that the restricted voltage range is gotten rid of.
 

Fly-By Telemetry

Fly-By Telemetry
Fly-By Telemetry is a low range telemetry signal that is ideal for examining telemetry prior to and after a flight. And with SRXL2 Innovation users will get back at more telemetry information and transmitter to device shows assistance by means of Forward Programming, VTX Setup, and/or Text Gen Programming.
 





Dual Variety Antennas
The SPM4650 uses an advanced antenna variety system that provides optimal range, RF performance, and polarization. All supported by 2 long coaxial antennas that are ideal 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 practical to bind Spektrum serial receiver yet, just push the bind button at any time, prior to or after power is used, and the SPM4650 is in bind mode. And like other Spektrum serial receivers, users can likewise bind utilizing a supported flight controller and computer system, today there is no need to power cycle!
 



Specs

Antenna Length: 3.9" (100mm)

Band: 2404 - 2476 MHz

Bind Technique: Bind Button

Channels: 18

Data Port: Yes

Failsafe: No

Flight Log Compatible: No

Guv: No

Height: 0.20" (5mm)

Input Voltage: 3.3 - 8.4V

Length: 0.67" (17mm)

Modulation: DSMX

Variety of Receivers: One

Range: Complete

Telemetry: No

Type: SRXL V2

Waterproof: No

Weight: 0.05oz (1.4g) including antennas

Width: 0.51" (13mm)
Rated 5.0 stars
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Rated 5 stars Best Spektrum receiver for fpv
By Mike J on March 9, 2021   Verified Purchase

Some soldering skills needed Works great

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