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SpektrumSRXL2 DSMX Remote Serial Telemetry Receiver, SPM4651T

SpektrumSRXL2 DSMX Remote Serial Telemetry Receiver, SPM4651T

Q: I have had two of these. The unshielded antenna portion (clear) literally falls off without touching , engine on. Why is this happening?

This should not be happening. Spektrum's QA has always been hit or miss. I would definitely return them for either a refund or a replacement.

Q: I got a t-rex 150x dfc set coming and wanting to make sure this is all i should need to fly with my dx6e radio?

maybe not, if it come with the FBL is microbeast then you need a special cable and update the firmware, better option buy the regular DSMX satellite receiver

Q: How to you connect this to the rx2 on a fc6250hx? the supplied cable is 4 strand and the plug doesn't fit the 3 prog rx2 plug on the 6250

The 4 pins on the SRXL2 would need to be put on to the appropriate 3 pin connector. Flite Test has a video on how to do this for their Aurora 5 flight controller. The video is on you tube, just search for "Aura SRXL2 Setup and SRXL2 Telemetry Tuning".

Q: How do you know if it works? No lights come on.

Lights must come on. - blinking . . . before binding. If the plane is upside down, you will not get lights. Level the plane and then red the instructions. Then if nothing happens, its a bad receiver.

4.7/5

Product ID: 337867014

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Details

Brand
Spektrum
Special features
SRXL2
Colour
Black
Age range (description)
Kid
Included components
Spektrum SRXL2

📡20 channels SRXL2 serial data

📶Dual diversity antennas for max signal

🔋Wide 3.3v-8.4v voltage input

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Description

🚀 Elevate your flight game with Spektrum’s next-gen SRXL2 receiver!

PLUG AND PLAY BINDING - Simplify your setup with a built-in bind button—no extra bind plugs needed, get flying faster.
DUAL DIVERSITY ANTENNAS - Maximize signal strength and reliability even in challenging environments with carbon fiber or metal shielding.
BLAZING FAST SRXL 2 PROTOCOL - Experience ultra-responsive control with up to 20 channels of lightning-fast serial telemetry.
EXTENDED CONTROL LINK RANGE - Low Noise Amplifier technology ensures interference-free, long-distance connectivity for your flights.
COMPACT LIGHTWEIGHT DESIGN - At just 22.7g, it’s perfectly engineered for Heli, Multi-Rotor, and FPV pilots who demand agility.

The Spektrum SRXL2 DSMX Remote Serial Telemetry Receiver (SPM4651T) delivers advanced 20-channel SRXL2 protocol communication, dual diversity antennas for superior signal reliability, and a wide voltage input range (3.3v-8.4v). Lightweight and compact, it’s designed for professional Heli, Multi-Rotor, and FPV enthusiasts seeking extended range, low interference, and seamless telemetry integration—all with a hassle-free bind button for quick setup.

Specifications

Brand	Spektrum
Model Number	SPM4651T
Color	Black
Product Dimensions	20.32 x 10.16 x 1.32 cm; 22.68 g
Material	Plastic
Special Features	SRXL2 Technology
Item Weight	22.7 g

Have a Question? See What Others Asked

I have had two of these. The unshielded antenna portion (clear) literally falls off without touching , engine on. Why is this happening?

I got a t-rex 150x dfc set coming and wanting to make sure this is all i should need to fly with my dx6e radio?

How to you connect this to the rx2 on a fc6250hx? the supplied cable is 4 strand and the plug doesn't fit the 3 prog rx2 plug on the 6250

How do you know if it works? No lights come on.

Common Questions

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