The Open Electronics GSM/GPRS/GPS modem includes a header for an FTDI USB serial chip and a GSM module. Plug one into your computer and after a few short commands into a terminal, you’ve got a serial ...

For anyone who experienced it, the screeching hiss of a modem handshaking over copper phone wires is unforgettable. The technology may have tied up the family phone line, but modems were the gateways ...