Product overview
The RadioLink R12DSE is a dual-antenna radio receiver for aircraft control, with 12-channel SBUS and PPM outputs and integrated telemetry. Its intended applications include freestyle FPV aircraft, indoor FPV aircraft and load-carrying UAVs. The radio system combines FHSS and DSSS with pseudorandom hopping across 16 radio channels to resist multipath and same-band interference. Airborne control distance is specified as 4,000 m. Control specifications include 4,096-level resolution, normal servo output fluctuation of 0.25 us and a fastest response of 3 ms.
The receiver’s 30.5 × 16 mm size supports compact installations, including 130 mm indoor FPV aircraft. It accepts 3–6 V DC and incorporates protection against reversed power-lead insertion. Supported transmitters are the RadioLink AT10II, AT10, AT9S Pro, AT9S and AT9. The receiver indicator is red by default; flashing red indicates an unbound transmitter or loss of signal. The supplied package contains one R12DSE receiver, one PRM-03 telemetry module connection cable and one packaging bag.
Built-in telemetry supplies signal strength, receiver voltage and RSSI without an additional telemetry module. Expanded aircraft data requires a PRM-03 module and a supported flight controller, enabling transmission of position, speed, climb, distance, satellite count and propulsion battery voltage alongside RSSI. Compatible transmitter telemetry screens display this information, while supported controller configurations also allow RSSI export to an OSD overlay. The PRM-03 module itself is not included in the supplied package.
Specifications
| Specification | Value & conditions |
|---|---|
| Product type | RadioLink R12DSE 12-channel, dual-antenna receiver with telemetry. |
| Radio transmission | Combined FHSS and DSSS spread spectrum with pseudorandom frequency hopping across 16 radio channels. |
| Interference resistance | Designed to resist multipath and same-band interference. |
| Control distance | 4,000 m.Airborne operation. |
| Integrated telemetry | Built-in telemetry provides real-time signal strength and receiver voltage on the transmitter main screen, plus RSSI on its telemetry screen, without an external telemetry module. |
| Expanded telemetry data | Real-time latitude, longitude, speed, climb, RSSI, distance, satellite count and propulsion battery voltage.With an external PRM-03 telemetry module and a supported flight controller. |
| Flight controllers supported for expanded telemetry | PIX6, PIXHAWK, CrossRace Pro, CrossRace, CrossFlight, Mini Pix, APM and TURBO PiX.Connected through the PRM-03 telemetry module. |
| Expanded telemetry display | Telemetry can be displayed on AT10II, AT10, AT9S Pro, AT9S and AT9 transmitters.With PRM-03 and a supported flight controller. |
| RSSI overlay integration | RSSI can be exported for an OSD overlay.With an AT9S Pro, AT9S, AT9, AT10II or AT10 transmitter and a Betaflight F4/F7/F722, PIX6, PIXHAWK, Mini Pix, CrossRace Pro, CrossRace or CrossFlight flight controller. |
| Control signal outputs | 12-channel SBUS and PPM signal output. |
| Default indicator | Red. |
| Warning indicator | Flashing red receiver indicator.Transmitter unbound or signal lost. |
| Resolution | 4,096 levels. |
| Servo output stability | 0.25 us.Normal servo output fluctuation. |
| Response time | 3 ms.Fastest response. |
| Intended aircraft applications | Freestyle FPV aircraft, indoor FPV aircraft and load-carrying UAVs. |
| Input voltage | 3–6 V DC. |
| Reverse connection protection | Protected against damage from a reversed power lead.Power lead inserted in reverse. |
| Size | 30.5 × 16 mm. |
| Compact aircraft integration | Sized for installation even in 130 mm indoor FPV aircraft.Installation in a 130 mm indoor FPV aircraft. |
| Compatible transmitters | RadioLink AT10II, AT10, AT9S Pro, AT9S and AT9. |
| Package contents | One R12DSE receiver, one PRM-03 telemetry module connection cable and one packaging bag.Supplied package. |
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