Soundmodem - ArchWiki

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# Soundmodem

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Related articles

- Amateur radio

Written by Tom Sailer (HB9JNX/AE4WA) to allow a standard PC soundcard to act as a packet radio modem for use with the various AX.25 communication modes. The data rate can be as high as 9600 baud depending on the hardware and application.

Note:

- Soundmodem can be used as a KISS modem on the serial port or as an AX.25 network device.
- No upstream can be found for Soundmodem as of 2022-03-20, the AUR package pulls the software from archive.org instead, use at your own risk.

## Installation

Install soundmodemAUR

## Usage

Execute soundmodem as root:

    # soundmodem

### Using soundmodem as a MKISS module

Note: To use soundmodem as an MKISS network device, the kernel must be re-built with MKISS modules

The permissions on the interface must be changed in order to make it user-readable:

    # chmod 666 /dev/soundmodem0

Category:

- Networking