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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 Apr 25, 2025 02:10:57 PM

DSMX SRXL2 Serial Micro Receiver...


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Features

SRXL2 Technology

Little, Light-weight and Perfect for the DIY Enthusiast

Wide Voltage Input Range

Fly-By Telemetry

Double 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 currently micro sized Spektrum serial receiver. The SPM4650 utilizes our feature-rich SRXL2 protocol to give pilots a blazing fast serial data connection with approximately 20 channels. SRXL2 is a powerful communication protocol that improves bi-directional communication 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, light-weight, and personalized, offering an excellent receiver for even the smallest of applications. It likewise features a basic bind button so pilots no longer need to bring a different receiver or bind plug to bind. Double antennas supply receiver variety for solid signal and the long coax antennas assist to supply maximum signal strength in all orientations for difficult installations where carbon fiber, metal and batteries protect the antenna. And with Spektrum DSMX 2.4GHz RF protocol the Spektrum SRXL2 Serial Micro Receiver offers impressive variety and disturbance free performance.





What's in the Box?

(1) SPM4650 Receiver

(2) U.FL Antenna

(1) 6” Receiver Extension Cable

(1) Product Manual

Clear Heat Shrink Wrap







SRXL2 Technology

SRXL2 Technology
The next model of Spektrum SRXL Technology * is here! SRXL2 Technology is a communication protocol between receivers and devices such as Multi rotor flight controllers, Helicopter Flybarless systems and other receivers. SRXL2 is much faster, more data rich, and more safe and secure. It likewise permits bi-directional telemetry support, giving users more access to telemetry features from their devices and even enabling setup and setup right from their transmitter. No computer system or smart device required! ** Want to discover more about SRXL2? Go To the SRXL2 Homepage.
* Please keep in mind that SRXL2 is not backwards suitable with SRXL protocol.
** SRXL2 support updates are required for your device to utilize the SPM4650, see www.srxl2.com for details and download links
 

Little, Light-weight, and Perfect for the DIY Enthusiast

Small, Lightweight, and Perfect for the DIY Enthusiast
Weighing just 1.4 grams and smaller sized than any previous Spektrum serial receiver, the SPM4650 is ready to be installed in a lot of kinds of multirotor and heli builds – no matter the area constraints. The receiver includes the plug uninstalled for the lovers looking to reduce weight and clutter. Just connect leads straight to the PCB or install the port 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 variety between 3.3v to 8.4v, users will no longer be constrained to which devices they can utilize to run their serial receiver now that the limited voltage variety is eliminated.
 

Fly-By Telemetry

Fly-By Telemetry
Fly-By Telemetry is a low variety telemetry signal that is perfect for inspecting telemetry before and after a flight. And with SRXL2 Technology users will get back at more telemetry data and transmitter to device programs support through Forward Shows, VTX Setup, and/or Text Gen Shows.
 





Double Variety Antennas
The SPM4650 uses an advanced antenna variety system that offers ideal 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 designs.
 

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



Specs

Antenna Length: 3.9" (100mm)

Band: 2404 - 2476 MHz

Bind Approach: Bind Button

Channels: 18

Information 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: Full

Telemetry: No

Type: SRXL V2

Waterproof: No

Weight: 0.05oz (1.4g) consisting of 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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