Case study

AT2 HT: reconstructing Baofeng AT2 BLE control and messaging

AT2 HT implements the Baofeng ALERVITES AT2 radio's BLE control and off-network messaging in an Android app. It supports channel programming, messages and PTT, and replaces voice encoding with OpenCORE-AMR MR475 and image processing with a Go implementation compared against the original library.

Targets: Protocol
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-08
Evidence class: C2 code & docs, no demo or download

Stars: 8
Last commit: 2026-09-20
Language: C++
License (GitHub): Apache-2.0

GitHub data as of 2026-11-10

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Evidence

Observed: Code, documentation and a download method observed; no demo found.
Checked: 2026-11-08

How evidence classes are assigned

Requirements & limits

Prerequisites: A Baofeng ALERVITES AT2 and an Android 8.1 or newer device with BLE, audio and location capability are required.
Scope: USB-C programming, firmware updates and full RF air-interface decoding are outside the project scope.
License: Apache-2.0 license.

Cite

BibTeX

@misc{at2-ht-case,
  title = {{AT2 HT: reconstructing Baofeng AT2 BLE control and messaging}},
  howpublished = {\url{https://github.com/byf3332/Baofeng-ALERVITES-AT2-Android}},
  url = {https://github.com/byf3332/Baofeng-ALERVITES-AT2-Android},
  urldate = {2026-11-08},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/at2-ht-case/}}
}

Plain text

AT2 HT: reconstructing Baofeng AT2 BLE control and messaging. https://github.com/byf3332/Baofeng-ALERVITES-AT2-Android (accessed 2026-11-08). Awesome REA entry: https://awesomerea.org/resources/at2-ht-case/

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About this entry

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Primary sources

README.md GitHub · byf3332/Baofeng-ALERVITES-AT2-Android · Revision d91f50f
tools/verification/README.md GitHub · byf3332/Baofeng-ALERVITES-AT2-Android · Revision d91f50f