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Spektrum AR631 6 Channel AS3X & SA (Spektrum AR631 | SPMAR631)

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Model: Spektrum AR631
Dist. #: SPMAR631   SKU: SPMAR631

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

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List Price:  $94.99
Price:  $84.99
You Save:  $10 (11%)

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Updated on May 17, 2025 12:44:40 PM

AR631 6 Channel AS3X & SA...


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Introduction
The Spektrum AR631 AS3X Telemetry Receiver is a DSM2 and DSMX capable receiver. Its compact footprint is developed to fit in a vast array of airplane designs including park leaflets and bigger sport designs. The AR631 is a complete range 6-channel receiver with integrated in AS3X and SAFE stabilization, which counters the impacts of wind, turbulence and torque using 3-axis MEMS gyro and unique flight control software application tuned by professional RC pilots. There is no hold-up in control response or limits on control throws. You'll simply seem like you're flying an expertly tuned design that does exactly what you want.





Features

230mm Antenna for more flexible installation choices

Integrated In AS3X Stabilization System with SAFE flight envelope defense

AS3X and SAFE established through forward programming directly from your Spektrum transmitter

All set to utilize with Spektrum Smart ESC for one-wire telemetry data without the requirement of modules, links and wires

Structured, top-pin style in a light-weight hard-case

Bind button permits easy binding and gets rid of the requirement for bind plug

DSMX procedure receiver with DSM2 backwards compatibility

Fly-by range telemetry assistance

Standard servo ports





*Please keep in mind – Utilizing this receiver in turbine powered airplane designs is not suggested





Overview
The AR631 includes fly-by range telemetry and a bind button that makes it easy to bind without any plugs required and uses both SmartSafe innovation and Hold Last along with predetermined failsafe types set through forward programming. A long 230mm 2.4gHz antenna, perfect for getting ideal reception when set up into tight spaces. The AR631 likewise includes Smart Telemetry support.
With Smart Technology the typical servo adapter delivers the throttle signal to the ESC, plus the ESC can send telemetry data like voltage and current back to the receiver. The AR631 receiver throttle port (Channel 1 port only) will immediately find when a Smart suitable ESC is connected. ESCs with Smart and IC series ports can likewise pass along battery data from suitable Spektrum Smart batteries. Spektrum Bird™ ESCs are compatible with the AR631 receiver for Smart Technology features.
For Smart to function you need to have a Smart ESC coupled with a Smart telemetry receiver, and a Spektrum DSMX transmitter with telemetry. An upgrade for your transmitter might be required for Smart features. See the Spektrum site to register and update your transmitter. If a basic ESC or servo is plugged into the throttle port on the AR631 receiver, the throttle port will operate normally (PWM signal) like any standard RC system.

Please Note: These transmitters do not support Forward Setting devices: DX6i, DX6G2 (EU Version), DX7, DX7S, DX7SE, DX7G2 (EU Version), DX8, Non-computer transmitters





AR637T Setup Series

 




AS3X Technology

AS3X® Technology
Exclusive Spektrum™ AS3X® innovation boosts flight stability by countering the impacts of wind, turbulence, and other outdoors forces to help your airplane fly smoothly and with accuracy. You'll seem like you're piloting an expertly tuned design that performs exactly as you want.
 

SAFE Technology

SAFE® Technology
SAFE® (Sensing unit Assisted Flight Envelope) innovation flight modes help pilots avoid over-controlling their designs. SAFE usages AS3X to provide typical flight performance, however with limited bank and pitch angles to avoid the airplane from getting in severe mindsets.
 





Long 230mm 2.4GHz Antenna

Long 230mm 2.4GHz Antenna
The AR631 includes an extra-long 230mm 2.4ghz antenna (roughly 9 inches), specifically engineered for usage in tight installations. When installing your receiver into an airplane where there is less then perfect space far from batteries and other devices, a long antenna is crucial. This enables users to install the receiver in tight spaces and isolate the antenna for ideal reception and link quality. When placing your antenna, it is best to have it a minimum of 75mm ( roughly 3 inches) far from batteries, electronic speed controls (ESC), ignition systems, and other electronic devices. Use the integrated flight log telemetry to perform a through range test to better assess your setup.
 

Forward Setting

Forward Programming
You can set up the AR631 receiver wirelessly, directly from any suitable Spektrum™ transmitter, through the Forward Programs menu. No different computer system or mobile device is required for setup and adjustments.
 





 

Smart Telemetry

Smart Telemetry
To enjoy the complete benefits of Smart™ innovation, utilize the AR631 receiver with a Smart ESC and telemetry capable Spektrum DSMX® transmitter. The AR631 includes fly-by telemetry and will offer vital telemetry data such as current, voltage, temperature level and RPM is sent directly to your transmitter. The AR631 is not suitable with Spektrum telemetry sensing units. For more details on Smart Technology please visit our Spektrum Smart Technology page.

 



Specifications

Antenna Length: 9" (229 mm)

Application: Air

Band: 2.4GHz

Bind Approach: Bind Button

Channels: 6

Information Port: Yes

Flight Log Compatible: Yes

Input Voltage: 3.5 - 9V

Modulation: DSMX

Product Height: 0.55" (14 mm)

Product Length: 1.53" (39 mm)

Product Weight: 0.28oz (8g)

Product Width: 0.94" (24 mm)

Variety: Full

Resolution: 2048

Telemetry: Yes

Frequently Bought Together

Spektrum AR631 6 Channel AS3X & SA
+
Spektrum 3200mAh 4S 14.8V 50C Smart LiPo Battery; IC3
+
Spektrum AR620 6 Channel Sport Receiver
This Item: Spektrum AR631 6 Channel AS3X & SA
$84.99
Spektrum 3200mAh 4S 14.8V 50C Smart LiPo Battery; IC3
$71.99
Spektrum AR620 6 Channel Sport Receiver
$62.99

Total Price: $219.97

Add All Three To Cart
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Rated 5 stars Always ready to help.
By Dan C on January 3, 2023   Verified Purchase

You Guys are great always have a great variety of everything I need and are always ready to help. Keep up the great work.

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