DGC Modem
These are generic modems sold under different names (Voluxe, MagiDeal, Baoblaze, Infosec, Kirmax), labeled in the most generic way
Well mine was named Kalea, opening the device it turns to be a connexant chipset File:CX-39010.pdf
Now I highly doubt these chips were made in 2021, the board itself is labeled 2017.
But these seems to be hardware modems nonetheless, and they do resport do AT commands:
- Welcome to minicom 2.7.1 * * OPTIONS: I18n * Compiled on Jul 22 2021, 00:00:00. * Port /dev/ttyACM1, 01:10:34 * * Press CTRL-A Z for help on special keys * * at * OK * ati * 56000 * * OK * ati0 * 56000 * * OK * ati1 * OK * ati2 * OK * ati3 * CX93001-EIS_V0.2013-V92 * * OK * ati4 * OK * ati5 * B5 * * OK * ati6 * OK * ati7 * OK
DSPKOUT wasn't routed on the board so for speaker support:
