Radio Net

Setting up WPSD for use with RadioNET

Updated Apr 22, 2026, 6:10 PM

Section#

Setting up the Hotspot#

Flashing the SD Card#

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  1. Visit https://w0chp.radio/wpsd/ and download the appropriate image for your platform
  2. Download Balena Etcher and flash the MicroSD card that came in the MMDVM hotspot kit with the image you downloaded
  3. Insert the MicroSD card into the Pi Zero 2W

Installing the Pi and MMDVM Hat into the enclosure#

  1. Place the Pi Zero 2W into the enclosure with the MicroSD card lining up with the slot on the case
  2. Use the small screws to attach the Pi to the case using the 2 screw holes next to the header
  3. Attach the MMDVM Hat on top of the Pi using the GPIO pins
  4. Make sure it is fully seated and there are no pins touching the MMDVM Hat or the bottom of the case
  5. Insert the plastic spacer between the Pi and the hat and put a screw through it
  6. Align the metal cover over the assembly and click into place
  7. Install the antenna
Pi Zero 2W seated in the base of the enclosure
Pi Zero 2W seated in the base of the enclosure

Setting up WPSD General Settings#

  1. Plug in the Pi and wait a few minutes for it to boot up (it is normal for the display to go blank and for it to take 3โ€“10 minutes for the SSID to appear)
  2. Connect to the SSID wpsd-setup and wait for the captive portalIf this SSID does not appear after 10 minutes, reboot the hotspot
  3. Click on Wifi Manager, set your region and scan for networks. Click on your SSID and enter the password
  4. Rejoin your network and navigate to the IP of the hotspot (this can be found in the Meraki dashboard under the hostname wpsd)
  5. Click on Configuration and enter the callsign KO6HPW, or your own callsign if you have one
  6. Set the DMR ID to the second octet of your network with 1001 appended to the end
  7. Set the Radio Mode to Simplex and set the radio frequency to what your bandplan states (434.6 for the UK)
  8. Set Radio/Modem Type to MMDVM_HS_HAT (DB9MAT & DF2ET) for Pi (GPIO)
  9. Set your timezone
  10. Set your location settings to your location
  11. Enable DMR Mode and set the Primary Network to Custom DMR Network
  12. Set MMDVM Display Type to OLED Type 3
  13. Apply changes

Setting up DMR Network and Display#

  1. Make sure Primary DMR Network is set to Custom DMR Network and configure display settings to Always Active along with any other required settings
  2. Apply Changes
  3. Enable Custom DMR Network and enter the settings as shown below
  4. Apply changes
  5. The display should now be showing the WPSD logo with a status of IDLE
  6. In the Configuration menu, click on the yellow banner to save your configuration
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