Features available only in the PRO (paid) v4 version:

  • No ads LITE version contains only ads related to HAM radio and hobby electronics.
  • Mixed mode - possibility to get Rx audio from a user selected WebSDR server or your own radio. Waterfall is available even when audio is comming from your own radio).
  • FT8 decoding with multiple filtering options. This feature is available in WebSDR mode too.
  • Microphone DSP with a 4-bands user configurable compressor.
  • Automatic CW Keyer - automatically send CW messages that are directly entered as text or from up to 15 pre-saved message memories.
  • Voice Messages - You can record and then play or transmit voice messages. Messages can be generated using Android Text-to-speech (TTS) embedded features, instead of recording.
  • Audio Loopback - test your audio device locally or over the network through pRxTxServer4, similar with the Echo feature in Echolink.
  • You have the possibility to set frequency offset for the WebSDR server, for WebSDR servers not well calibrated.
  • Unlimited number of application profiles (limited to 1 in LITE). All settings are saved per profile
  • Multi user support. Own callsign saved in the global config instead of profile. In LITE version is saved in the global config.
  • Edit radio configuration files locally
  • Possibility to use Pocket RxTx as a radio server (like pRxTxSrv4).
  • Up to 99 memories in PRO, maxcimum 16 in LITE.
  • Store memories globally/per profile (PRO version), or only global (LITE version)
  • Possibility to display frequency/UTC clock using 7-segments display (default in PRO). You can select the group of 3 digits for which you adjust the value using the tuning knob. Only standard display in LITE.
  • Select WebSDR server using the World map, get station details on the map, zoom/pan, select severs to be displayed on the map per band. Only standard WebSDR server selection in LITE version.
  • Automatically change remote pRxTxServer4 profile from Pocket RxTx. Server profile name is configured in the network configuration page.
  • Possibility to edit the radio configuration file locally on the device, withouth exporting it to pRxTxServer.
  • Select between metric/imperial for distances. Only metric in the LITE version.
  • Select waterfall color pallete (B&W/Spectravue/SDR SHarp/RGB) in PRO, only B&W in LITE.
  • You can select between analog or bargraph style meters. Only bargraph meter available in LITE version.
  • Possibility to set mic boost (up to +20dB), useer adjustable.
  • Sticky PTT
  • You can disable on screen PTT in PRO version only.
  • You can import/export radio configuration files and profiles over the network, through pRxTxServer4, for backup or editing purposes.
  • Support PTT from Bluetooth mic/speaker Inrico/Anysecu B01 and BlueParrot B450XT
  • User selectable auto radio on/off when in CAT mode.
  • Battery level gauge and percentage in the radio page.
  • Call logging in Direct CAT mode too, not only in WebSDR client mode.
  • Associate commands (ex PTT) with hardware keys. This enable the use of PTT buttons from network radios.
  • PTT timeout in pRxTxServer4, so PTT is automatically set to OFF after the timeout expire.
  • Safe feature: The radio is automatically powered off if the client disconnects unexpectedly. Require to activate RADIO OFF in the RADIO menu.
  • Priority support over email. For the LITE version, support is available only through the application forum.

    • Latest update: Dec 03, 2025 (C) Dan Toma - YO3GGX