Remote Control SunSDR2 PRO or ColibriDDC

Remote control for SunSDR2 PRO and ColibriDDC has finally arrived! The highly efficient protocol for remote control being introduced today enable you to connect and operate your SunSDR2 PRO or ColibriDDC device over almost any internet connection like ADSL broadband, mobile 3G and 4G networks, long range WiFi links etc.  The connection can be customised for bandwidths between 70 kbps to 1 Mbps per receiver including both audio and full panadapter view. This allow you to setup several receivers on one connection. With the Pileup RPI Server you eliminate the need of an expensive and bulky PC at the radio location.


  • Highly efficient remote control protocol
  • User configurable bandwidth, audio quality, spectrum and waterfall settings
  • ExpertSDR2 Remote control client for PC with CAT, E-Coder support etc.
  • HTML5 web interface supporting any web browser including mobile phones and tablets
  • Remote control server application for Windows and Raspberry Pi3
  • Pre-configured Pileup RPI server available quick and easy setup

How to get started in 3 simple steps

1. Get the remote control manual and decide on your configuration. Download the manual here.
2. Set up your server, your choice of PC server or Raspberry Pi3 server. provides the fully assembled Pileup RPI Server in a RF shielded metal case with the server software pre-loaded on a 16GB micro SD card. If you prefer to add the hardware and configure the server yourself download the PC version here, or the Raspberry Pi3 image here.
3. Install the ExpertSDR2 Remote Client software on your PC. Download the client here. You can also access your device via any web browser, including browsers on your IOS or Android mobile device.

Web Client

The Expert Remote Server let you access and control your SunSDR2 transceiver or ColibriDDC receiver via any web browser supporting the HTML5 standard. This means that you can listen and tune your radio from any computer including mobile IOS and Android devices like mobile phones and iPads.

Expert WebSDR Client
Screenshot from iPhone 6 display. The Remote Server is accessible from any HTML5 capable web browser.

Under Development (Disclaimer)

Remote control is still under development and should be considered experimental. At this point RX is almost completed and most basic functions are supported. TX is being developed during the first quarter of 2017 and free updates will be available when ready. Because of this the support is limited and functionality of the software can change. But being early with the latest is part of the fun, so go ahead and experiment!