3DR Radios (444)

Discussions Replies Latest Activity

How do I convert rssi to % signal strength?

When I look at the tlog I see totally different maunders for the 3DR radio rssi than I see on the MP playback display. What’s the conversio…

Started by Mike Mac

0 on Friday

Telemetry range problem (graph included)

Hi, I'm using 3DR 433 MHz telemetry radio. Transmit power is set to 14 dBm 25 mW duty cycle is 10%. These are max settings in my country.…

Started by kopo

8 Sep 10
Reply by kopo

PPM Channel Order Conflict with Spektrum

Hello All, this has been an issue for me for about 2 years. (Potentially I cant find things on the internet) I have a Spektrum DX8, and th…

Started by Justin Pead

0 Sep 9

Changing Main frequency of HM-TRP 3DR Radio for Telemetry using AT Commands

I spent some time reading inHM-TRP Series 100mW Transceiver data sheet as well as SiK source code I wanted to know that if the 433MHz and 9…

Started by MHefny

13 Sep 4
Reply by MHefny


Welcome to the 3DR Radio forum!

Hi Everyone, I thought it might be useful to give a bit of background on what this forum is for. 3DRobotics have just released a set of tel…

Started by Andrew Tridgell

39 Sep 2
Reply by Pascal

3DR Iris w/ tarot 2axis: no tilt control.

Channel 6 (tilt) is properly transmitting through telemetry to mission planner but I have no gimbal tilt control and tarot ZYX-BMGC V1.4 so…

Started by Brian

1 Aug 31
Reply by mcallenaerial

APM 2.6 will not arm when connected to 3DR telemetry radio

Hi everyone, I have been having a tough time with my telemetry system in recent months.  To be clear, this USED to work.  I used to be ab…

Started by joe boyle

2 Aug 29
Reply by joe boyle

How to fix my 3DR Radio(air side)

I burned my radio accidentally. Checking find out Si1000 RF module shorted(MCU module is fine). Does there any way that I can only change s…

Started by Blue_Express

2 Aug 28
Reply by Blue_Express

Help on Formatting and Receiving MavLink Packets with an Arduino and sending them to an APM/Pixhawk

Hello all, I am working on my 10th grade science fair project which is a "Semi-Autonomous Payload Retrieval System." The basic idea is to h…

Started by Chris Jones

2 Aug 27
Reply by Chris Jones

Not connecting: 3DR telemetry radios

We just completed our Y6. Unfortunately, the APM Planner 2.0 will not recognize the telemetry, the tilt of the Y6, the our current map loca…

Started by John Keegan

9 Aug 27
Reply by Bruce Robb


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