Dial Up Modem (56k Old Internet Connection) [Version 1] - song and lyrics by Finnolia Sound Effects | Spotify
![This is what a dial up modem connection looks like on the spectrogram (DTMF handshake and call). : r/interestingasfuck This is what a dial up modem connection looks like on the spectrogram (DTMF handshake and call). : r/interestingasfuck](https://external-preview.redd.it/U5_P66DkBS5diUU5m2PW83x05G4rZ_v6wCFv_0W6M8s.png?width=640&crop=smart&format=pjpg&auto=webp&s=95ce4fc32bc972847c68066e102a5079321dc578)
This is what a dial up modem connection looks like on the spectrogram (DTMF handshake and call). : r/interestingasfuck
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Vintage Isa Sound Card & 56K Modem Card V1456VQH-R 93288509 RCVDL56ACFW/Sp M353 4251476985469 | eBay
![RetroTech Chris on Twitter: "Testing out my "new" US Robotics 56K Faxmodem. Dialed up the Diamond Mine BBS. Sound on if you like modem sounds. https://t.co/4yoKUNi1ji" / Twitter RetroTech Chris on Twitter: "Testing out my "new" US Robotics 56K Faxmodem. Dialed up the Diamond Mine BBS. Sound on if you like modem sounds. https://t.co/4yoKUNi1ji" / Twitter](https://pbs.twimg.com/ext_tw_video_thumb/1637164105537560576/pu/img/GPJtaeqyKyItMnGe.jpg:large)