Oki Electric Industry
1200 bps Half Duplex FSK Modem – ITU-T V.23
Oki Electric Industry
1200 bps Half Duplex FSK Modem – ITU-T V.23
Oki Electric Industry
1200 bps Half Duplex FSK Modem – ITU-T V.23
Oki Electric Industry
1200 bps Half Duplex FSK Modem – ITU-T V.23