Overview
The RadioLink R12DSE V2.0 is a compact, ultra-lightweight 12-channel receiver featuring dual antennas and built-in telemetry. Weighing only 2.5g and measuring 30.5×16mm, this receiver supports both SBUS and PPM signals with 4096-level resolution and a stable 0.25μs jitter. Its hybrid DSSS & FHSS spread spectrum ensures a robust 4KM control range in open air. Designed for versatility, the R12DSE is compatible with helicopters, fixed-wing aircraft, gliders, multicopters, cars, boats, and robots when used with a compatible flight controller.
Key Features
-
Built-in Telemetry: Real-time voltage and RSSI feedback without external sensors on supported transmitters.
-
Telemetry Expansion: With PRM-03 and Pixhawk/PIX6, display full flight data (voltage, speed, GPS, throttle, attitude, etc.).
-
Dual Signal Output: SBUS & PPM with simultaneous 12-channel low-latency response (<3ms).
-
Compact & Lightweight: Ideal for racing drones including 130mm frames.
-
Anti-Polarity Protection: Safeguards the receiver against reverse voltage damage.
Specifications
| Item | Details |
|---|---|
| Dimensions | 30.5 × 16mm (1.2" × 0.63") |
| Weight | 2.5g (0.09oz) |
| Antenna Length | 90mm (3.54") |
| Operating Voltage | 3–6V DC |
| Operating Current | 35mA @5V |
| Receiving Current | <32mA @5V |
| Telemetry Transmission | <125mA @5V |
| Signal Output | SBUS & PPM |
| Frequency Band | 2.4GHz ISM (2400–2483.5MHz) |
| Spread Spectrum | DSSS & FHSS |
| Channel Resolution | 4096 levels, 0.25μs jitter |
| Reception Sensitivity | -97dBm |
| Transmit Power | 20dBm (100mW) |
| Control Range | 4000 meters (in open air) |
| Hardware Interface | 3-pin 2.54mm / 4-pin 1.0mm socket |
| Compatible Transmitters | AT10II, AT10, AT9S Pro, AT9S, AT9 |
| Compatible Models | Helicopter, fixed-wing, glider, car, boat, etc. |
Telemetry Functions
-
Direct Built-in Telemetry (no sensors): RX voltage & RSSI on AT10II, AT10, AT9S Pro, AT9S, AT9.
-
With PRM-03 Telemetry Module: Supports full flight data when paired with PIX6, PIXHAWK, CrossFlight, CrossRace, Mini Pix, APM, TURBO PiX, including:
-
Voltage, speed, throttle
-
GPS: longitude, latitude, altitude
-
RSSI, flight mode
-
Yaw, roll, pitch
-
Distance from home
-
RSSI for FPV OSD
-
Supports real-time RSSI telemetry to FPV monitors.
-
Fully configurable in Betaflight (F4/F7/F722) or Mission Planner (PIXHAWK, CrossFlight, etc.) for accurate signal monitoring during racing or long-distance flight.
Signal Output Analysis
-
SBUS & PPM simultaneously supported with sub-3ms response.
-
PWM jitter within 0.25μs for high-precision servo control.
-
Red LED flashes during loss of signal or before binding.
Anti-polarity Protection
-
Supports 3–6V DC input.
-
Reverse voltage protection included, ensuring safe connection for all users.
Compatible Transmitters
Packing List
-
R12DSE Receiver ×1
-
Telemetry Module PRM-03 Connect Cable ×1
-
Packing Bag ×1
Details

RadioLink R12DSE Receiver: 30.5x16mm, 90mm antenna, 2.5g weight, 12 channels, 3-6V DC, 2.4GHz ISM band, 4KM range, compatible with helicopters, fixed-wing, multicopters, cars, boats, robots, AT10II, AT10 transmitters.

R12DSE is a real-time telemetry dual antenna receiver with 12 channels, made by RadioLink. It uses DSSS & FHSS technology and operates on 3-6V power. A red LED shows S.BUS connectivity. Certified RoHS, CE, and FCC, it meets international standards. Manufactured in China, it supports GND, SDA, SCL, and VDC connections. Its compact form includes two antennas for better signal reception. Suitable for remote control use, it provides dependable performance and easy system integration.

DSSS and FHSS hybrid spread spectrum ensures 4000 meters control distance with 16 channels pseudo-random frequency hopping and QPSK modulation for excellent anti-interference performance.

R12DSE provides real-time telemetry with signal strength, receiver voltage display on AT10II, AT10, AT9S Pro, AT9 screens. RSSI appears in RECEIVE menu.

R12DSE paired with PRM-03 and various flight controllers displays model telemetry data like voltage, speed, GPS, RSSI, and orientation on AT series receivers. Diagram illustrates connection setup.

Output RSSI value from receiver to FPV monitor for real-time telemetry during racing. Instructions for AT9S Pro/AT9S/AT9 with F4/F7/F722 and PIX6/PIXHAWK/CrossRace controllers.

SBUS&PPM signal output supports 12 channels, responding within 3ms. Compatible with flight controllers, ideal for racing drones. 4096-level resolution, 0.25us servo output. Red LED flashes if unbound or signal lost. Max PWM jitter: 1.8us.

Anti-polarity Connect Protection ensures the R12DSE is safeguarded against reverse polarity connections. It operates on a 3-6V DC input voltage. RadioLink's voltage protection software technology guarantees safety. The R12DSE, weighing only 2.5g and measuring 30.5*16mm, is compact enough for mini 130mm racing drones. Dimensions are clearly marked: 30.5mm width, 16mm height, and 40mm length including connectors. This receiver supports DSSS & FHSS technologies, ensuring reliable communication. Its small size and lightweight design make it ideal for various applications, particularly in drone racing.

R12DSE receiver is compatible with RadioLink AT series transmitters: AT10II, AT10, AT9S Pro, AT9S, AT9. Models displayed: AT9S Pro/AT9S/AT9 and AT10II/AT10.

RadioLink R12DSE V2.0 receiver, telemetry module PRM-03 connect cable, and packing bag included. Features DS SS & FHSS technology, 3-6V operation, with red LED for S.BUS compatibility.

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...