Overview
The RadioLink R12DSM V1.2 is a compact 12-channel mini receiver operating on the 2.4GHz ISM band (2400MHz–2483.5MHz), supporting both SBUS and PPM signal outputs. Featuring DSSS & FHSS dual spread spectrum technology, this receiver ensures stable and anti-interference communication with a control range of up to 4000 meters (2.48 miles) in unobstructed conditions. With a compact form factor (30×15mm) and ultra-lightweight design (2.5g), the R12DSM is ideal for multicopters and mini racing drones.
Key Features
-
12-Channel Support: Delivers full 12-channel SBUS or PPM output compatible with most flight controllers.
-
Dual Spread Spectrum (DSSS & FHSS): Ensures stable, reliable signal transmission with excellent anti-interference capability.
-
Ultra Low Latency: 4096 section precision with 0.25μs standard, maximum PWM jitter as low as 1.84μs.
-
Long Range Control: Up to 4000 meters tested in ideal environments.
-
Built-in Telemetry: Supports real-time voltage telemetry when paired with PRM-01 telemetry module.
-
Micro Size and Lightweight: Only 30×15mm and 2.5g, perfect for compact drones and FPV racers.
-
Detachable Antenna: 90mm flexible antenna for stable signal reception and easy installation.
-
Wide Voltage Range: Operates from 3V to 6V DC, with optimal performance at 5V.
Specifications
| Parameter | Value |
|---|---|
| Size | 30×15mm (1.18" × 0.59") |
| Weight | 2.5g (0.09oz) |
| Antenna Length | 90mm (3.54") |
| Channels | 12 channels |
| Signal Output | SBUS / PPM |
| Operating Voltage | 3V–6V |
| Operating Current | 38–45mA @ 5V |
| Frequencies Band | 2.4GHz ISM (2400MHz–2483.5MHz) |
| Spread Spectrum | DSSS & FHSS |
| Section Precision | 4096, 0.25μs per section |
| Control Range | 4000 meters (2.48 miles) in air, line-of-sight tested |
| Compatible Transmitters | AT10II, AT10, AT9S Pro, AT9S, AT9 |
| Application | Multicopters, Racing Drones, and other RC aircraft |
Real-time Telemetry
When paired with the PRM-01 flight module, R12DSM enables telemetry data transmission, such as real-time voltage feedback, directly to the transmitter screen—ideal for monitoring model performance and ensuring safe operation.
SBUS & PPM Signal Output
R12DSM supports dual signal outputs (SBUS/PPM), making it compatible with almost all flight controllers. Its plug-and-play design and detachable antenna make it easy to install even in tight spaces like mini FPV drones.
Control Distance and Precision
With DSSS & FHSS spread spectrum technology and QPSK modulation, the R12DSM achieves impressive anti-interference capability and stability. PWM jitter is minimized to 0.25μs standard with a max of 1.84μs, ensuring precise control for high-speed racing applications.
Details

Radiolink R12DSM is a 12-channel mini receiver supporting DSSS and FHSS technologies. It offers S.B/PPM modes, operates on 3.0-6V DC, and includes a blue LED for S.BUS indication and an ID set function. Built with three metallic pins and two antenna wires, it ensures reliable connectivity. Compliant with CE, FCC, and RoHS standards, this compact receiver is ideal for RC models, providing stable signal transmission in a small form factor.

Control Distance: 4000 meters. Uses DSSS and FHSS hybrid spread spectrum with 16 channels, pseudo-random frequency hopping, QPSK modulation for strong anti-interference and stable R12DSM transmission.

R12DSM offers 12 channels of SBUS/PPM signal output, detachable antennas, and is lightweight (2.5g) with a compact size (30*15mm). Ideal for racing drones, it ensures minimal PWM signal jitter.

Real-time telemetry provides model data for system information. Paired with PRM-01, it displays voltage. Features include CRSF protocol, hybrid dual spread spectrum, and timer functions for precise control.

RadioLink R12DSM 2.4GHz 12CH SBUS/PPM Receiver: 30x15mm, 2.5g, 4.8-6V, 38-45mA@5V, 4096 precision, 4000m range. Compatible with AT10II/AT10/AT9S Pro/AT9S/AT9 transmitters.

Explore More Drones & Accessories
-
Camera Drone
Our Camera Drone Collection features a wide range of brands including FIMI,...
-
Drone Accessories
Discover a wide range of drone accessories to enhance flight performance, extend...