Spektrum AR631+ 6 Channel AS3X+ & Safe Receiver, SPM-1031

Price: $69.99
(as of Oct 13, 2026 15:02:49 UTC – Details)


Features

• Smart Transmitter File Download
• 230mm Antenna for more versatile installation options
• Built in AS3X+ Stabilization System with SAFE flight envelope protection
• AS3X+ and SAFE set up through forward programming directly from your Spektrum transmitter
• Ready to use with Spektrum Smart ESC for one-wire telemetry data without the need of modules, links and wires

• Streamlined, top-pin design in a lightweight hard-case
• Bind button allows for easy binding and eliminates the need for bind plug
• DSMX protocol receiver with DSM2 backwards compatibility
• Fly-by range telemetry support
• Standard servo connectors

Spektrum AR631+ 6-Channel AS3X+ & SAFE Receiver Overview
The AR631+ features fly-by range telemetry and a bind button that makes it easy to bind with no plugs necessary and offers both SmartSafe technology and Hold Last as well as preset failsafe types set through forward programming. A long 230mm 2.4gHz antenna, perfect for getting optimal reception when installed into tight spaces. The AR631+ also features Smart Telemetry support.
With Smart Technology the normal servo connector 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 automatically detect when a Smart compatible ESC is connected. ESCs with Smart and IC series connectors can also pass along battery data from compatible Spektrum Smart batteries. Spektrum Avian™ ESCs are compatible with the AR631+ receiver for Smart Technology features.
For Smart to function you must have a Smart ESC paired with a Smart telemetry receiver, and a Spektrum DSMX transmitter with telemetry. An update for your transmitter may be required for Smart features. Visit spektrum
Extra-long 230mm Antenna for more versatile installation options
Ready to use with Spektrum Smart ESC for one-wire telemetry data without the need of modules, links and wires
DSMX protocol receiver with DSM2 backwards compatibility
Built in AS3X+ Stabilization System with SAFE flight envelope protection
AS3X+ and SAFE set up through forward programming directly from your Spektrum transmitter
Customers find the receiver works well and is reliable, with one mentioning it never experiences errors or dropouts between receiver and transmitter. They also appreciate its ease of use. However, opinions about value for money are mixed, with some considering it an awesome deal while others find it pretty high priced.