Package Name:com.aicodix.rattlegram
SHA-256:a89447dbf2c39cb6ba1942f51b7685497def37be612599b4cd30283e29785568
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COFDMTV is based on COFDM (coded orthogonal frequency-division multiplexing) technology:
- 160 ms long OFDM symbols
- 6.25 Hz per sub-carrier
- 1/8 guard interval
- differentially encoded PSK (phase-shift keying) modulation
- systematic polar codes for forward error correction
Currently Modes 14, 15 and 16 are supported:
Using either SPC(2048, 1392), SPC(2048, 1056) or SPC(2048, 712) with CRC32C aided SCL decoding and differential QPSK modulation for the payload.
Only a bandwidth of 1600 Hz is needed and the transmission of either 85, 128 or 170 bytes take about one second with the leading noise and fancy header disabled.
Latest Version
1.18Uploaded by
Oxox Oxox
Requires Android
Android 5.0+
Category
Free Communication AppContent Rating
Everyone
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Flag as inappropriateLast updated on Dec 20, 2025
- added support for 16 KB page size
- updated libs and tools
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