A software TETRA radio on your phone. Install the APK and connect to the TetraPoland network over mobile data or Wi-Fi — no hardware to buy.
Works on any Android phone — recommended
Swipe-scroll in settings and side panels on small screens. Auto-start and language moved to the end of the settings list. Fixed the secure connection (SSL) on older Android phones.
Simplified audio path (removed mic sidetone and noise gate) and more stable reconnection to the BrandMeister network.
End-of-transmission tone (roger beep) at the end of each transmission.
Clean transmit audio — fixed the metallic voice distortion.
Record your travelled route to a GPX file, plus lighter GPS position reporting (longer battery life).
Ready-made audio profiles (Motorola / Quiet / Indoor), SDS quick replies and muting groups in the scanner.
Configurable talkgroup scanner — adjustable hold time and reply mode.
Improved Bluetooth headset handling during transmission.
Bluetooth Low Energy PTT buttons (multiple models) plus smarter position reporting.
Send your GPS position to the network map on tetra-poland.pl.
Reliable background operation — the app no longer disconnects when minimised or with the screen off.
Delivery and read receipts for SDS messages (ticks next to messages).
SDS and scanning fixes — favourites picker when sending, group priority, more reliable reports.
BrandMeister: correct switching and affiliation of the selected talkgroup (no more mixing all groups at once).
Stabilised BrandMeister connection — automatic receive recovery and reconnection after a stall.
Encrypted BrandMeister password and stronger privacy (less data in logs).
BrandMeister network login — talkgroups numbered ≥91 via your DMR ID and BrandMeister password.