![Ben S. Twitterissä: "I think these were the models of RS232 external dialup modem that I used, starting in 1990, before eventually graduating to an internal 56kbps and then modern coax cable Ben S. Twitterissä: "I think these were the models of RS232 external dialup modem that I used, starting in 1990, before eventually graduating to an internal 56kbps and then modern coax cable](https://pbs.twimg.com/media/EHifDx9U0AEYe9X.jpg)
Ben S. Twitterissä: "I think these were the models of RS232 external dialup modem that I used, starting in 1990, before eventually graduating to an internal 56kbps and then modern coax cable
![Del modem a la fibra óptica, crónica de la mayor revolución en comunicaciones de la historia - Nobbot Del modem a la fibra óptica, crónica de la mayor revolución en comunicaciones de la historia - Nobbot](https://img.blogs.es/anexom/wp-content/uploads/2014/09/bell.jpg)
Del modem a la fibra óptica, crónica de la mayor revolución en comunicaciones de la historia - Nobbot
![Conheça o primeiro modem ADSL da internet dos anos 1990 Speedy da Telefonica ~ ESI JMJG SOM&IMAGEM SITE OFICIAL Conheça o primeiro modem ADSL da internet dos anos 1990 Speedy da Telefonica ~ ESI JMJG SOM&IMAGEM SITE OFICIAL](https://1.bp.blogspot.com/-6EG7R8IPiI0/XsRIgGD8MKI/AAAAAAAAKRM/7CV_IDgpybMpUSQkx8StXXXPKGVaPn13ACK4BGAsYHg/Ericsonmodeldsl.png)